IBM's CEO just showed what taking accountability looks like

IBM CEO Arvind Krishna is widely credited with turning the company around since becoming CEO in 2020. Alex Wong/Getty Images IBM CEO Arvind Krishna owned the shortfall that triggered the stock's worst day on record. Tech leaders say candor can build more credibility than trying to spin disappointing news. A longtime IBM insider says Krishna tells people what they need — not want — to hear. When IBM delivered bad news on Tuesday, CEO Arvind Krishna didn't look for someone else to blame. He…