MTECHTIPS- Copper trading range for the day is 319.3-326.7. Copper prices slipped as the dollar strengthened although improving signals from China’s economy cushioned the fall. A flurry of Chinese data is expected to point to a modest improvement in the economy in the third quarter. Stockpiles tracked by the LME are up more than 160 percent in the past six months. SELL COPPER NOV @ 327 SL 330 TGT 324.20-320.50. MCX.