Major Wall Street indexes ended a choppy trading session little changed after the U.S. central bank held interest rates steady on Wednesday, while the six-day-old Israel-Iran air war kept oil prices climbing on fears of escalation and supply disruption.

U.S. stocks are drifting higher on Wednesday as Wall Street waits to hear where the Federal Reserve may be taking interest rates.The S&P 500 was up 0.3% in afternoon trading. The Dow Jones Industrial Average was up 109 points,

Oil prices rose and stock markets diverged Wednesday as investors tracked the Israel-Iran conflict and a looming US interest rate decision.