BANGKOK — World shares advanced Thursday, while U.S. futures slipped as Iran launched more missiles at Israel on the sixth day of the war in the Middle East. The future for the Dow Jones Industrial Average fell 0.2 per cent. The S&P 500 future was down 0.1 per cent. Uncertainty about the war in the Middle East has been rattling financial markets, with most taking their cues from what the price of oil is doing. “Yesterday’s bounce in risk assets already looks less like a turning point and more like a classic relief rally in a market that briefly inhaled…