02:38 PM EDT, 10/17/2024 (MT Newswires) -- Gritstone Bio ( GRTS ) disclosed a 19% cut to its workforce in a regulatory filing late Wednesday, the day Bloomberg reported the company is in talks for funding and held "some conversations" with potential bankruptcy plan sponsors.

Shares slumped 13% Thursday, with intraday trading volume at over 39.5 million compared with a daily average of about 14.8 million.

Elevance Health ( ELV ) shares dropped 13% amid heavy trading after the firm reported an unexpected decline in Q3 adjusted earnings.

More than 6.36 million shares traded intraday compared with a daily average of about 1 million.

Shares of CSX (CSX) retreated as the rail-based freight transportation supplier's Q3 results missed market expectations.

Shares slid 6% as intraday trading volume climbed to over 17 million compared with the stock's daily average of about 10.8 million.

Price: 0.05, Change: -0.01, Percent Change: -13.33