Tech's 3-week selloff, led by Tesla, wipes out $2.7 trillion in value from megacaps

Less than two months ago, the tech industry's top leaders flocked to Washington, D.C., for the presidential inauguration, part of an effort to strike a friendly tone with President Trump after a contentious first go-round in the White House. Thus far, they've avoided any nasty social media posts from the president. But their treatment by investors has been anything but warm. Over the last three weeks, since the Nasdaq touched its high for the year, the seven most-valuable U.S. tech companies — often called ...