02:04 PM EDT, 08/27/2024 (MT Newswires) -- Altisource Asset Management ( AAMC ) shares tumbled 42% amid heavy trading after the company said late Monday it plans to voluntarily delist from the New York Stock Exchange American and deregister its common stock under the Securities Exchange Act.

More than 192,000 shares traded intraday compared with a daily average of about 11,000.

Cosciens Biopharma ( CSCI ) said Tuesday that top-line results from a phase 3 trial evaluating macimorelin to diagnose Childhood Onset Growth Hormone Deficiency showed the study failed to meet its primary efficacy endpoint.

Shares slumped 31%, with intraday trading volume at over 120,000 compared with a daily average of about 10,000.

JPMorgan downgraded Vasta Platform ( VSTA ) to underweight from an overweight stock rating.

Shares dropped 19% as intraday trading volume rose to over 121,000 versus a daily average of about 39,000.

Price: 1.36, Change: -0.98, Percent Change: -41.88