IBM Stock Slides 13% as Anthropic’s AI Programming Threat Sparks Selloff
On February 23, 2026, IBM Stock plunged sharply, recording its worst daily percentage decline in more than 25 years, dropping over 13% in a single trading session after investors reacted to new developments in artificial intelligence. Here is what happened: Anthropic, an AI research company known for its large language model Claude, announced that its…