The major U.S. stock market indexes opened flat on Tuesday, with the Dow Jones Industrial Average, S&P 500 and Nasdaq Composite all marginally higher at opening bell. Both the S&P and Nasdaq closed at ...

On Monday, a frenzy of activity in shares of Opendoor Technologies Inc. saw more than 1.8 billion shares of the iBuyer change hands. That was roughly three times the company's public float. Opendoor ...