Shares of Palantir Technologies (PLTR -13.31%) are falling on Tuesday. The company's stock slid 14.1% as of 10:10 a.m. ET and was down as much as 14.6% earlier in the day. The move comes as the S&P 500 and the Nasdaq Composite fell by 1% and 1.2%, respectively.Shares of the big data analytics and artificial intelligence (AI) software company were falling after the company released its first-quarter earnings.The numbers weren't enoughPalantir reported Q1 earnings per share (EPS) of $0.13 on sales of$884 mil ...