SMM Lead Morning Brief: Overnight Lead Futures Fluctuated Downward, SHFE Lead Slightly Closed Lower. SMM, April 1: Overnight, the most-traded SHFE lead contract opened at 17,465 yuan/mt and finally closed at 17,375 yuan/mt, down 35 yuan/mt, a decrease of 0.20%. Overnight, LME lead opened at $2,013/mt, fluctuated rangebound during the Asian session, and finally closed at $2,015.5/mt, up $2.5/mt, an increase of 0.12%.