Nu Holdings Up After $1 Billion Buyback Plan, Analysts Cautious
Shuttle Pharmaceuticals shares slid 3.2% to $0.507 as investors questioned its abrupt pivot from cancer-drug development to Dogecoin and Litecoin mining, with the stock trading well below the $1.03–$1.24 conversion prices in recent merger and financing deals and the company warning of substantial doubt about its ability to continue as a going concern.