Stock Market Closing Today, Sep 18: Sensex ends marginally down, Nifty near 23,350; check top gainers and losers

30-share BSE Sensex fell 19.63 points or 0.03 per cent to close at 4,294.96 while NSE Nifty declined 75.80 points or 0.33 per cent to end at 23,346.40.