Gainers

Enzo Biochem (NYSE:ENZ) stock rose 104.2% to $2.43 during Thursday's after-market session. At the close, Enzo Biochem's trading volume reached 1.2 million shares. This is 2239.4% of its average volume over the last 100 days. The company's market cap stands at $118.3 million. Histogen (NASDAQ:HSTO) stock rose 23.08% to $1.07. Trading volume for this security closed at 489.8K, accounting for 824.2% of its average full-day volume over the last 100 days. The company's market cap stands at $4.5 million. ATI Physical Therapy (NYSE:ATIP) shares increased by 19.41% to $0.37. At the close, ATI Physical Therapy's trading volume reached 177.5K shares. This is 52.2% of