U.S. equities closed lower on Wednesday session mainly due to a technical support level offsetting recent economic data showing mixed results failing to increased optimism on markets after some reports from last week showed unfavourable figures. The Dow Jones industrial average fell 0.03% to 15,440.23, the S&P 500 Index slipped 0.20% to 1,751.64 and the Nasdaq Composite index slid 0.50% to 4,011.552.