Gainers

• BIMI International Medical Inc. (NASDAQ:BIMI) shares rose 136.4% to $1.43 in pre-market trading. BOQI International recently posted a Q1 loss of $0.27 per share.
• CynergisTek, Inc. (NYSE:CTEK) rose 103.4% to $1.20 in pre-market trading after the company entered into a definitive agreement to be acquired by Clearwater Compliance for roughly $17.7 million.
• Better Therapeutics, Inc. (NASDAQ:BTTX) rose 18.6% to $1.53 in pre-market trading after dropping 12% on Monday. Better Therapeutics recently posted a Q1 loss of $0.41 per share.
• Decisionpoint Systems, Inc. (NYSE:DPSI) shares rose 15.3% to $6.35 in pre-market trading. DecisionPoint Systems recently reported first-quarter FY22 revenue growth of 22.7% year-on-year to $19.7 million.
• AcelRx Pharmaceuticals, Inc. (NASDAQ:ACRX) rose 14.2% to $0.2948 in pre-market trading. The FDA recently modified the AcelRx Pharmaceuticals’ Dsuvia Risk Evaluation and Mitigation Strategies (REMS) requirements for healthcare setting audits.
• Guardforce AI Co., Limited (NASDAQ:GFAI) shares rose 9% to $0.68 in pre-market trading after jumping around 14% on Monday.
• Windtree Therapeutics, Inc. (NASDAQ:WINT) shares rose 8.9% to $0.55 in pre-market trading after declining 11% on Monday.
• OKYO Pharma Limited (NASDAQ:OKYO) rose 8.7% to $2.88 in pre-market trading after declining around 12% on Monday.
• Tenon Medical, Inc. (NASDAQ:TNON) rose 8.5% to $4.46 in pre-market trading after declining 7% on Monday.
• HTG Molecular Diagnostics, Inc. (NASDAQ:HTGM) rose 7.1% to $0.60 in pre-market trading.
• Zoom Video Communications, Inc. (NASDAQ:ZM) rose 6.4% to $95.00 in pre-market trading as the company reported better-than-expected results for its first quarter and raised its profit forecast for the full year.

Don’t forget to check out our premarket coverage here .

Losers

• Snap Inc. (NYSE:SNAP) shares fell 29.1% to $15.93 in pre-market trading after the company filed a Form 8-K with the U.S. Securities and Exchange Commission showing it expects to miss its previously-issued guidance.
• BigBear.ai Holdings, Inc. (NYSE:BBAI) shares fell 23% to $7.79 in pre-market trading. BigBear.ai Holdings recently posted a Q1 loss of $0.14 per share.
• Cango Inc. (NYSE:CANG) fell 21.7% to $2.85 in pre-market trading after gaining around 10% on Monday.
• GeoVax Labs, Inc. (NASDAQ:GOVX) fell 17.2% to $1.92 in pre-market trading. GeoVax Labs shares jumped around 67% on Monday after Maxim Group reiterated a Buy rating on the stock and announced a $6 price target.
• Predictive Oncology Inc. (NASDAQ:POAI) shares fell 15.5% to $0.3210 in pre-market trading after jumping over 40% on Monday.
• X4 Pharmaceuticals, Inc. (NASDAQ:XFOR) shares fell 15.4% to $1.10 in pre-market trading after gaining 12% on Monday.
• Molecular Data Inc. (NASDAQ:MKD) fell 13.3% to $0.7626 in pre-market trading after dropping 22% on Monday.
• Pinterest, Inc. (NYSE:PINS) fell 12.6% to $19.72 in pre-market trading after Snap filed a Form 8-K with the U.S. Securities and Exchange Commission showing the company expects to miss its previously-issued guidance.
• Petróleo Brasileiro S.A. - Petrobras (NYSE:PBR) fell 11.4% to $14.41 in pre-market trading after gaining over 5% on Monday.
• JE Cleantech Holdings Limited (NASDAQ:JCSE) fell 10.7% to $13.73 in pre-market trading after jumping 6% on Monday.
• Bright Green Corporation (NASDAQ:BGXX) fell 10.5% to $11.88 in pre-market trading after jumping 18% on Monday.
• The Beauty Health Company (NASDAQ:SKIN) fell 9.9% to $11.00 in pre-market trading.
• Catalyst Biosciences, Inc. (NASDAQ:CBIO) fell 9.5% to $1.15 in pre-market trading. Catalyst Biosciences gained 234% on Monday after the company announced it sold its complement portfolio for $60 million.
• The Trade Desk, Inc. (NASDAQ:TTD) fell 7.9% to $48.36 in pre-market trading.