US stocks have closed lower in a choppy session as oil resumed its decline and the S&P 500 index fell through a technical support level ahead of a Federal Reserve meeting next week that is expected to result in an interest rate hike.

US stocks have closed lower in a choppy session as oil resumed its decline and the S&P 500 index fell through a technical support level ahead of a Federal Reserve meeting next week that is expected to result in an interest rate hike.