U.S. stock futures rise Tuesday but European shares move lower following the first presidential debate Monday evening in which Hillary Clinton was perceived to have topped Donald Trump.
Disney could be in prime position to help Twitter realize its potential as a media platform. But some big hurdles could get in the way.
Twitter rises higher after hits historic gain last week fueled by buyout talks. Tesla shares accelerate, following an analyst report on the company's production schedule.
Stocks end Monday's session sharply lower as Wall Street grows restless ahead of the first presidential debate.