Gainers

• Taoping (NASDAQ:TAOP) stock increased by 11.8% to $2.47 during Tuesday's pre-market session. The company's market cap stands at $38.1 million.
• Addvantage Technologies (NASDAQ:AEY) shares increased by 8.69% to $2.0. The market value of their outstanding shares is at $25.0 million. The company's, Q4 earnings came out yesterday.
• CooTek (Cayman) (NYSE:CTK) stock moved upwards by 6.02% to $0.56. The company's market cap stands at $37.3 million.
• JinkoSolar Holding Co (NYSE:JKS) stock moved upwards by 4.38% to $44.02. The market value of their outstanding shares is at $2.0 billion.
• Alpha & Omega (NASDAQ:AOSL) stock moved upwards by 4.08% to $64.0. The company's market cap stands at $1.6 billion.
• Extreme Networks (NASDAQ:EXTR) stock rose 3.24% to $16.55. The company's market cap stands at $2.1 billion.

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Losers

• Powerbridge Technologies (NASDAQ:PBTS) stock decreased by 15.1% to $0.79 during Tuesday's pre-market session. The market value of their outstanding shares is at $44.4 million.
• Nxt-ID (NASDAQ:NXTD) stock decreased by 9.12% to $4.29. The company's market cap stands at $38.1 million.
• Tessco Technologies (NASDAQ:TESS) shares declined by 6.5% to $6.05. The market value of their outstanding shares is at $54.2 million.
• American Virtual Cloud (NASDAQ:AVCT) shares decreased by 5.06% to $2.44. The market value of their outstanding shares is at $193.2 million.
• Greenidge Generation Hldg (NASDAQ:GREE) stock fell 4.49% to $18.1. The market value of their outstanding shares is at $735.6 million.
• Marathon Digital Holdings (NASDAQ:MARA) stock fell 4.29% to $37.71. The market value of their outstanding shares is at $3.8 billion.