Shares have slipped in Europe after a mixed session in Asia, while U.S. futures edged higher. Oil prices rebounded after dropping sharply on Thursday. Gains in Asia were led by Taiwan, where the benchmark rose nearly 2% after its government signed a trade deal with the U.S. On Thursday, encouraging reports on the U.S. economy helped to steady stocks on Wall Street. The S&P 500 gained 0.3% and the Dow Jones Industrial Average rose 0.6%. The Nasdaq composite climbed 0.2%. Also helping to calm the market were oil prices, which eased on hopes for calming tensions in Iran, though they rebounded early Friday.