IBM (NYSE: IBM) stock got hit hard in Monday's trading as fears that artificial-intelligence (AI) technologies could disrupt the company's common business-oriented language (COBOL) tech stack. The company's share price fell more than 13% in the daily session, wiping roughly $31 billion off the legacy tech giant's market capitalization. After yesterday's big sell-off, the stock is seeing a modest recovery. Shares were up 2.7% as of 3 p.m. ET. IBM stock is now down roughly 22% across this year's trading. Wil ...