(Reuters) - U.S. stock index futures rose sharply on Monday, tracking gains in European stocks, as polls over the weekend showed an increased possibility of Britain remaining in the European Union.
* Investors had remained confused over the fallout of Britain's vote on Thursday, leading them away from oil and equities last week to safe havens like the yen and gold.
* However, polls showed that the "Remain" campaign had gathered favor over the weekend causing a rebound in the British pound.
* Oil prices were on track to mark their largest two-day rise in a month as investor confidence in the risky asset rose and the strength of the dollar weakened. [O/R]
* Gold, which rallied over the past week, fell more than 1 percent, while the dollar was off 0.61 percent on Monday.
* Wall Street closed lower on Friday, weighed down by technology stocks. The three major indexes lost more than 1 percent each in the week after the Federal Reserve warned of an economic slowdown and investors fretted over a possible Brexit.
* Minneapolis Fed President Neel Kashkari will speak at a symposium in Washington at 12:15 p.m. ET (1615 GMT).
* Fed Chair Janet Yellen is scheduled to testify before the Senate Banking Committee on Tuesday at 10:00 a.m. ET.
* Apple (AAPL.O) was up 1 percent at $96.36 premarket on Monday. The tech giant's stock had fallen 2.2 percent on Friday after a dispute in China over a iPhone patent. * GlaxoSmithKline (GSK.N) rose 4.3 percent to $42.07 after the company said a drug met a late-stage study goals.
Futures snapshot at 7:01 a.m. ET:
* Dow e-minis 1YMc1 were up 215 points, or 1.22 percent, with 30,253 contracts changing hands.
* S&P 500 e-minis ESc1 were up 27.75 points, or 1.35 percent, with 222,189 contracts traded.
* Nasdaq 100 e-minis NQc1 were up 57 points, or 1.31 percent, on volume of 27,788 contracts.
Reporting by Yashaswini Swamynathan in Bengaluru; Editing by Don Sebastian