(Bloomberg) — U.S. stock-index futures extended gains in Asia as investors weighed the prospects of economies reopening with simmering trade tensions between Washington and Beijing.Contracts on the S&P 500 rose to 3,000.50, the highest since March 6, as of 1:04 p.m. in Tokyo, adding to gains during overnight trading from their closing level of 2,953.00 on May 22. The underlying S&P 500 closed at 2,955.45 on Friday. U.S. financial markets were shut Monday for Memorial Day.“It’s the grand re-opening that matters, with the S&P 500 within earshot of the psychologically fundamental 3,000 mark,” Stephen Innes, chief global markets strategist at […]