U.S. stocks were lower, with the Dow Jones index falling more than 400 points on Thursday.Shares of Datadog, Inc. (NASDAQ:DDOG) rose sharply during Thursday's session after the company reported better-than-expected third-quarter financial results and issued fourth-quarter guidance above estimates. Also, the company raised its FY25 guidance above estimates.Datadog reported quarterly earnings of 55 cents per share which beat the analyst consensus estimate of 46 cents per share. The company reported quarterly ...