XXI ▲ +9.4% - Twenty One Capital, Inc. $XXI - Twenty One Capital CEO Raphael Zagury to Speak at Bitcoin Treasuries Conference 2026 in New York City Twenty One Capital rose 9.4% today following an announcement that CEO Raphael Zagury will speak at the Bitcoin Treasuries Conference 2026 in New York City, signaling the company's continued prominence in the bitcoin and digital assets space. 21-SEP-2026 08:32 AM ET