Atossa Therapeutics (NASDAQ:ATOS) shares experienced unusual options activity on Tuesday. The stock price moved up to $6.02 following the option alert.
Biotech stocks underperformed the broader market in the first half of 2021, with the iShares Nasdaq Biotechnology ETF (NASDAQ: IBB) advancing about 8% year-to-date compared to the roughly 14% gain for the S&P 500 Index.
Gainers
Intellia Therapeutics, Inc. (NASDAQ: NTLA) shares climbed 43.5% to $127.44 after the company announced positive clinical data for its CRISPR therapy.
Shares of Atossa Therapeutics (NASDAQ:ATOS) saw some unusual options activity on Monday. Following the unusual option alert, the stock price moved down to $7.16.