U.S. stock futures rise on optimism of big OPEC output cut

Oil prices jumped 8.4 percent after Saudi Arabia's energy minister said the OPEC and other producers, gathered in Vienna, were close to a deal. Exxon Mobil's shares rose 1.8 percent premarket, while Chevron and Schlumberger were up more than 2.3 percent. Wall Street is on track for its best month since March, riding on a record rally that was sparked by Donald Trump's victory of the U.S. presidential election.