Atara Biotherapeutics (ATRA) reported "compliance issues" on Thursday involving a third-party manufacturing facility for Ebvallo, a treatment for patients with Epstein-Barr virus-positive post-transplant lymphoproliferative disease.

Shares slumped 37% as intraday trading volume catapulted to over 1.8 million million versus a daily average of about 127,000.

Silexion Therapeutics (SLXN) shares slumped intraday after the company overnight disclosed a $5 million equity offering to fund pre-clinical studies.

Shares plunged 42% as intraday trading volume rose to roughly 6.58 million from the stock's daily average of about 4.63 million.

US Bancorp (USB) shares dropped after the company reported Thursday Q4 revenue that missed expectations.

Shares slid 5%, with intraday trading volume at nearly 11.6 million versus the stock's daily average of over 7.61 million.

Price: 8.29, Change: -4.87, Percent Change: -37.00