Key TakeawaysIBM's second-quarter results surpassed revenue and earnings expectations, lifting its shares in after-hours trading. Software revenue rose 7% to $6.7 billion in the latest quarter. The company said its generative AI business has grown to$2 billion. International Business Machines (IBM) beat analysts’ expectations on the top and bottom lines with its second-quarter results Wednesday, sending shares higher in aftermarket trading as CEO Arvind Krishna pointed to the company’s expanding artificial ...