International Business Machines Corp (NYSE:IBM) reported first-quarter financial results after the market close on Wednesday. Here’s a look at the key metrics from the quarter. Q1 Earnings: IBM’s first-quarter revenue increased 1% year-over-year to $14.46 billion, which missed the consensus estimate of $14.55 billion, according to Benzinga Pro. The company reported quarterly adjusted earnings of $1.68 per share, which beat analyst estimates of $1.60 per share. Software revenue was up 5% year-over-year, consulting revenue was flat and infrastructure revenue was down 1%.  Cash flow from operations totaled $4.2 billion in the quarter. Free cash flow came in at $1.9 billion. IBM ended the quarter with $19.3 billion in cash ...