BSE Sensex was trading 100.56 points, lower at 40,749.73 at 1149 hours.

The 30-share BSE Sensex was trading higher by 84.17 points at 40,934.46 in n opening deals.

Sectorally, BSE metal index rose the most by 1.66 per cent, followed by bankex and IT indices.

The 30-share BSE Sensex was down 119.42 points or 0.29 per cent to 40,556.03 in early deals.

The fresh trade war tensions along with unabated foreign fund outflows weighed heavily on the market sentiments, traders said.

The 30-share BSE gauge closed marginally higher by 8.36 points or 0.02 per cent at 40,802.17.

The 30-share index was trading 81.65 points, or 0.20 per cent, higher at 40,875.46.

PMI data for manufacturing and services sectors are scheduled to come this week which may also impact trading at the bourses.

The 30-share Sensex pared some losses, ending 336.36 points or 0.82 per cent lower at 40,793.81.

Similarly, the broader NSE Nifty was quoting 38.45 points, or 0.32 per cent, down at 12,112.70.