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Comparative Price Performance Over Time

Compare Price & Volume

Company	Current Price	50-Day Moving Average	52-Week Range	Market Cap	Beta	Avg. Volume	Today's Volume
AEHR Aehr Test Systems	$15.07 -2.6%	$11.75	$6.27 ▼ $20.25	$460.86M	2.29	1.14 million shs	855,364 shs
CTKB Cytek Biosciences	$3.13 -5.2%	$3.13	$2.37 ▼ $7.63	$417.98M	1.33	836,949 shs	714,730 shs
LAB Standard BioTools	$1.23 -1.6%	$1.14	$0.92 ▼ $2.41	$474.78M	1.54	1.92 million shs	1.49 million shs
RPID Rapid Micro Biosystems	$3.41 -1.2%	$3.39	$0.64 ▼ $4.04	$151.22M	1.32	197,645 shs	22,624 shs

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Compare Price Performance

Company	1-Day Performance	7-Day Performance	30-Day Performance	90-Day Performance	1-Year Performance
AEHR Aehr Test Systems	-2.65%	+6.80%	+30.93%	+86.28%	-26.88%
CTKB Cytek Biosciences	-5.15%	-9.28%	+1.95%	-14.25%	-53.21%
LAB Standard BioTools	-1.60%	-6.82%	+12.84%	+6.03%	-46.98%
RPID Rapid Micro Biosystems	-1.16%	+1.49%	+8.95%	+42.08%	+424.62%

Compare MarketRank™

Company	Overall Score	Analyst's Opinion	Short Interest Score	News and Social Media Sentiment	Company Ownership	Earnings & Valuation
AEHR Aehr Test Systems	1.6272 of 5 stars	0.0	2.0	2.3	2.5	1.9
CTKB Cytek Biosciences	3.0904 of 5 stars	3.1	4.0	2.6	4.2	0.0
LAB Standard BioTools	3.8429 of 5 stars	3.3	4.0	3.8	3.3	1.3
RPID Rapid Micro Biosystems	2.2124 of 5 stars	2.0	4.0	2.6	3.3	0.6

Compare Analyst Forecasts

Company	Consensus Rating Score	Consensus Rating	Consensus Price Target	% Upside from Current Price
AEHR Aehr Test Systems	0.00	N/A	N/A	N/A
CTKB Cytek Biosciences	2.20	Hold	$5.60	78.91% Upside
LAB Standard BioTools	3.00	Buy	$2.50	103.25% Upside
RPID Rapid Micro Biosystems	4.00	Strong Buy	$8.00	134.60% Upside

Current Analyst Ratings Breakdown

Latest RPID, LAB, CTKB, and AEHR Analyst Ratings

Date	Company	Brokerage	Action	Rating	Price Target
7/17/2025	LAB Standard BioTools	TD Cowen Subscribe to MarketBeat All Access for the recommendation accuracy rating	Upgrade	Strong-Buy
5/28/2025	CTKB Cytek Biosciences	Morgan Stanley Subscribe to MarketBeat All Access for the recommendation accuracy rating	Lower Price Target	Equal Weight ➝ Equal Weight	$9.00 ➝ $7.00
5/12/2025	CTKB Cytek Biosciences	The Goldman Sachs Group Subscribe to MarketBeat All Access for the recommendation accuracy rating	Lower Price Target	Sell ➝ Sell	$3.50 ➝ $3.00
5/9/2025	CTKB Cytek Biosciences	TD Cowen Subscribe to MarketBeat All Access for the recommendation accuracy rating	Downgrade	Buy ➝ Hold	$4.00

(Data available from 7/19/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)

Compare Sales & Book Value

Company	Annual Revenue	Price/Sales	Cashflow	Price/Cash	Book Value	Price/Book
AEHR Aehr Test Systems	$58.97M	7.61	$1.17 per share	12.93	$3.86 per share	3.90
CTKB Cytek Biosciences	$200.45M	1.98	$0.03 per share	95.10	$3.07 per share	1.02
LAB Standard BioTools	$174.43M	2.68	N/A	N/A	$1.27 per share	0.97
RPID Rapid Micro Biosystems	$28.05M	5.33	N/A	N/A	$1.75 per share	1.95

Compare Profitability & Earnings

Company	Net Income	EPS	Trailing P/E Ratio	Forward P/E Ratio	P/E Growth	Net Margins	Return on Equity (ROE)	Return on Assets (ROA)	Next Earnings Date
AEHR Aehr Test Systems	-$3.91M	-$0.13	N/A	68.50	N/A	-6.63%	-0.15%	-0.13%	N/A
CTKB Cytek Biosciences	-$6.02M	-$0.09	N/A	∞	N/A	-5.71%	-2.90%	-2.30%	8/5/2025 (Estimated)
LAB Standard BioTools	-$138.88M	-$0.35	N/A	N/A	N/A	-78.24%	-22.44%	-16.74%	7/30/2025 (Estimated)
RPID Rapid Micro Biosystems	-$46.89M	-$1.03	N/A	N/A	N/A	-151.22%	-56.07%	-44.11%	8/1/2025 (Estimated)

Latest RPID, LAB, CTKB, and AEHR Earnings

Date	Quarter	Company	Consensus Estimate	Reported EPS	Beat/Miss	Gap EPS	Revenue Estimate	Actual Revenue
8/5/2025	Q2 2025	CTKB Cytek Biosciences	-$0.02	N/A	N/A	N/A	$46.03 million	N/A
8/1/2025	Q2 2025	RPID Rapid Micro Biosystems	-$0.26	N/A	N/A	N/A	$7.10 million	N/A
7/30/2025	Q2 2025	LAB Standard BioTools	-$0.04	N/A	N/A	N/A	$39.83 million	N/A
7/8/2025	Q4 2025	AEHR Aehr Test Systems	-$0.02	-$0.01	+$0.01	-$0.10	$14.83 million	$14,100.00 billion
5/9/2025	Q1 2025	RPID Rapid Micro Biosystems	-$0.27	-$0.26	+$0.01	-$0.26	$6.63 million	$7.21 million
5/8/2025	Q1 2025	CTKB Cytek Biosciences	-$0.04	-$0.09	-$0.05	-$0.09	$43.18 million	$41.46 million

Compare Dividends

Company	Annual Payout	Dividend Yield	3-Year Dividend Growth	Payout Ratio	Years of Consecutive Growth
AEHR Aehr Test Systems	N/A	N/A	N/A	N/A	N/A
CTKB Cytek Biosciences	N/A	N/A	N/A	N/A	N/A
LAB Standard BioTools	N/A	N/A	N/A	N/A	N/A
RPID Rapid Micro Biosystems	N/A	N/A	N/A	N/A	N/A

Compare Debt

Company	Debt-to-Equity Ratio	Current Ratio	Quick Ratio
AEHR Aehr Test Systems	N/A	5.71	3.07
CTKB Cytek Biosciences	N/A	5.62	4.95
LAB Standard BioTools	N/A	6.12	5.37
RPID Rapid Micro Biosystems	N/A	4.61	3.23

Compare Ownership

Institutional Ownership

Company	Institutional Ownership
AEHR Aehr Test Systems	69.69%
CTKB Cytek Biosciences	69.46%
LAB Standard BioTools	53.74%
RPID Rapid Micro Biosystems	52.60%

Insider Ownership

Company	Insider Ownership
AEHR Aehr Test Systems	6.20%
CTKB Cytek Biosciences	10.33%
LAB Standard BioTools	23.16%
RPID Rapid Micro Biosystems	29.96%

Compare Miscellaneous Stats

Company	Employees	Shares Outstanding	Free Float	Optionable
AEHR Aehr Test Systems	90	29.77 million	27.93 million	Optionable
CTKB Cytek Biosciences	500	126.66 million	113.58 million	Optionable
LAB Standard BioTools	620	379.82 million	291.86 million	Optionable
RPID Rapid Micro Biosystems	200	43.83 million	30.70 million	Not Optionable

RPID, LAB, CTKB, and AEHR Headlines

Recent News About These Companies

Robert G. Jr. Spignesi Sells 11,881 Shares of Rapid Micro Biosystems, Inc. (NASDAQ:RPID) Stock

July 16 at 5:41 AM | insidertrades.com

Robert G. Jr. Spignesi Sells 11,881 Shares of Rapid Micro Biosystems, Inc. (NASDAQ:RPID) Stock

July 15, 2025 | marketbeat.com

Robert G. Jr. Spignesi Sells 11,874 Shares of Rapid Micro Biosystems, Inc. (NASDAQ:RPID) Stock

July 15, 2025 | marketbeat.com

Insider Selling: Rapid Micro Biosystems, Inc. (NASDAQ:RPID) CEO Sells 10,824 Shares of Stock

July 11, 2025 | insidertrades.com

Rapid Micro Biosystems, Inc. (NASDAQ:RPID) CEO Robert G. Jr. Spignesi Sells 10,824 Shares

July 10, 2025 | marketbeat.com

Rapid Micro Biosystems, Inc. (NASDAQ:RPID) CEO Sells $39,476.97 in Stock

July 10, 2025 | marketbeat.com

Rapid Micro Biosystems, Inc. (NASDAQ:RPID) CEO Robert G. Jr. Spignesi Sells 11,617 Shares

July 10, 2025 | marketbeat.com

Rapid Micro Biosystems (NASDAQ:RPID) Stock Price Down 0.9% - Here's What Happened

July 10, 2025 | americanbankingnews.com

Rapid Micro Biosystems (NASDAQ:RPID) Stock Price Down 0.9% - Here's Why

July 10, 2025 | marketbeat.com

Favourable Signals For Rapid Micro Biosystems: Numerous Insiders Acquired Stock

July 3, 2025 | finance.yahoo.com

Rapid Micro Biosystems Grants Equity Awards to New Employee as Inducement for Employment

June 13, 2025 | quiverquant.comQ

Rapid Micro Biosystems Announces Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)

June 13, 2025 | globenewswire.com

Rapid Micro Biosystems Appoints Dr. Dafni Bika to Board of Directors

May 29, 2025 | nasdaq.com

Rapid Micro Biosystems Announces Appointment of Dr. Dafni Bika to Board of Directors

May 27, 2025 | globenewswire.com

Earnings call transcript: Rapid Micro Biosystems Q1 2025 shows revenue growth

May 10, 2025 | investing.com

Rapid Micro Biosystems, Inc. (NASDAQ:RPID) Q1 2025 Earnings Call Transcript

May 10, 2025 | msn.com

Rapid Micro Biosystems, Inc.: Rapid Micro Biosystems Reports First Quarter 2025 Financial Results

May 10, 2025 | finanznachrichten.de

Why Rapid Micro Biosystems, Inc.’s (RPID) Stock Is Up 26.12%

May 9, 2025 | aaii.comA

Rapid Micro Biosystems, Inc. (RPID) Q1 2025 Earnings Call Transcript

May 9, 2025 | seekingalpha.com

Rapid Micro Biosystems, Inc. (RPID) Reports Q1 Loss, Tops Revenue Estimates

May 9, 2025 | zacks.com

Rapid Micro Biosystems Reports First Quarter 2025 Financial Results

May 9, 2025 | globenewswire.com

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RPID, LAB, CTKB, and AEHR Company Descriptions

Aehr Test Systems NASDAQ:AEHR

$15.07 -0.41 (-2.65%)

Closing price 07/18/2025 04:00 PM Eastern

Extended Trading

$15.12 +0.04 (+0.30%)

As of 07/18/2025 07:49 PM Eastern

Aehr Test Systems provides test solutions for testing, burning-in, and semiconductor devices in wafer level, singulated die, and package part form, and installed systems worldwide. Its product portfolio includes FOX-XP and FOX-NP systems that are full wafer contact and singulated die/module test and burn-in systems that can test, burn-in, and stabilize range of devices, including silicon carbide-based and other power semiconductors, 2D and 3D sensors used in mobile phones, tablets and other computing devices, memory semiconductors, processors, microcontrollers, systems-on-a-chip, and photonics and integrated optical devices. The company also offers FOX-CP system, a low-cost single-wafer compact test solution for logic, memory, and photonic devices; FOX WaferPak Contactor, a full wafer contactor capable of testing wafers up to 300mm that enables integrated circuit manufacturers to perform test, burn-in, and stabilization of full wafers on the FOX-P systems. In addition, it provides FOX DiePak Carrier, a reusable temporary package that enables IC manufacturers to perform final test and burn-in of bare die and modules; and FOX DiePak Loader. The company was incorporated in 1977 and is headquartered in Fremont, California.

Cytek Biosciences NASDAQ:CTKB

$3.13 -0.17 (-5.15%)

Closing price 07/18/2025 04:00 PM Eastern

Extended Trading

$3.14 +0.00 (+0.16%)

As of 07/18/2025 04:20 PM Eastern

Cytek Biosciences, Inc., a cell analysis solutions company, provides cell analysis tools that facilitates scientific advances in biomedical research and clinical applications. It offers aurora and northern lights systems, which are spectrum flow cytometers that delivers cell analysis by utilizing the fluorescence signatures from multiple lasers to distinguish fluorescent tags on single cells; and aurora cell sorter system that leverages full spectrum profiling technology to further broaden potential applications across cell analysis; aurora CS systems; amnis imagestream imaging flow cytometers; guava muse cell analyzers; guava easycyte flow cytometers; and orion reagent cocktail preparation systems. The company also provides reagents and kits, including cFluor reagents that are fluorochrome conjugated antibodies used to identify cells of interest for analysis on its instruments, as well as 25-color immunoprofiling assay that provides turnkey solutions for identifying major human immune subpopulations for TBNK cells, monocytes, dendritic cells, and basophils. In addition, it offers automated micro-sampling system and automated sample loader system, an automated loaders to integrate seamlessly into the aurora and northern lights systems; SpectroFlo software that provides intuitive workflow from quality control to data analysis for aurora and northern lights systems; and customer support tools. The company serves pharmaceutical and biopharma companies, academic research centers, and clinical research organizations. It distributes its products through direct sales force and support organizations in North America, Europe, China, and the Asia-Pacific regions; and through distributors or sales agents in European, Latin American, and the Middle Eastern countries. The company was formerly known as Cytoville, Inc. and changed its name to Cytek Biosciences, Inc. in August 2015. Cytek Biosciences, Inc. was founded in 1992 and is headquartered in Fremont, California.

Standard BioTools NASDAQ:LAB

$1.23 -0.02 (-1.60%)

Closing price 07/18/2025 04:00 PM Eastern

Extended Trading

$1.23 0.00 (0.00%)

As of 07/18/2025 07:36 PM Eastern

Standard BioTools Inc., together with its subsidiaries, provides instruments, consumables, reagents, and software services for researchers and clinical laboratories in the Americas, Europe, the Middle East, Africa, and the Asia pacific. It operates through two segments: Proteomics and Genomics. The company offers analytical systems, such as CyTOF XT System, a CyTOF XT mass cytometry system performs automated high-parameter single-cell analysis using antibodies conjugated to metal isotopes; and Hyperion XTi imaging system, a spatial biology instrument. It also provides genomics, such as X9 Real-Time PCR System, a real-time PCR analytical instrument including pre-processing steps for microfluidics-based workflows using (integrated fluidic circuit) IFCs; and IFC Controllers, a controller which is designed to work with IFC formats. In addition, the company offers analytical instruments comprising Biomark HD system, a real-time PCR analytical instrument for microfluidics-based workflows using prepared IFCs. It sells its products to academic research institutions; translational research and medicine centers; cancer centers; clinical research laboratories; biopharmaceutical, biotechnology, and plant and animal research companies; and contract research organizations. It has license agreements with California Institute of Technology, Harvard University, and Caliper Life Sciences, Inc. The company was formerly known as Fluidigm Corporation and changed its name to Standard BioTools Inc. in April 2022. Fluidigm Corporation was incorporated in 1999 and is headquartered in South San Francisco, California.

Rapid Micro Biosystems NASDAQ:RPID

$3.41 -0.04 (-1.16%)

Closing price 07/18/2025 04:00 PM Eastern

Extended Trading

$3.44 +0.02 (+0.73%)

As of 07/18/2025 04:04 PM Eastern

Rapid Micro Biosystems, Inc., a life sciences technology company, provides products for the detection of microbial contamination in the manufacture of pharmaceutical, medical devices, and personal care products in the United States, Germany, Switzerland, Japan, and internationally. The company offers Growth Direct platform, which includes Growth Direct system, proprietary consumables, lab information management system connection software, and customer support and validation services. Its platform automates and modernizes the manual microbial quality control (MQC) testing workflows for therapeutic modalities, such as biologics, vaccines, cell and gene therapies, and sterile injectables. The company also provides onsite technical training services. Its solutions are used in environmental monitoring, water, bioburden, and sterility release testing applications. In addition, the company offers RMBNucleus software for the Growth Direct system; RMBNucleus Mold Alarm signals at the first sign of mold detection; RMBNucleus Central Manager portal streamlines coordination of multiple instruments; and Growth Direct LIMS connection software. Rapid Micro Biosystems, Inc. was formerly known as Genomic Profiling Systems, Inc. and changed its name to Rapid Micro Biosystems, Inc. in January 2007. The company was incorporated in 2006 and is headquartered in Lowell, Massachusetts.

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Comparative Price Performance Over Time