SHANGHAI, Feb. 28 (SMM) – LME zinc prices overnight dipped by USD 23.5/mt. SHFE 1305 zinc contract prices opened RMB 35/mt lower at RMB 15,635/mt, and were generally resistant to declines. Despite the Shanghai Composite leaped 2.26%, investor confidence did not improve. With strong short momentum, SHFE 1305 zinc contract prices fluctuated between RMB 15,660-15,680/mt, and closed at RMB 15,665/mt, down RMB 15/mt, or 0.1%. Trading volumes of SHFE 1305 zinc contract decreased by 8,342 lots, to 50,708 lots, and total position decreased by 7,822 lots to 111,376 lots.