Stock futures fell and oil prices rose on Thursday after Iran denied it had reached out to the U.S. to set up peace talks, seemingly scuttling investors’ hopes of a resolution to the conflict in the Middle East. The three major indexes all rallied on Wednesday, with the S&P 500 nearing the level at which it was trading before the Iran attacks. The market got a boost from strong economic data, as well as a report that said Iran had reached out to the U.S. via secret service channels to signal it was ready to hold talks.