Shanghai shares slide against coming IPOs

Shanghai stocks edged down 0.44 percent to 2219.52 points in mid-day trading as investors set aside money for coming initial public offering.

Sinoma Energy Conservation lost 6.57 percent to 15.35 yuan, while Chongqing Chuanyi Automation was down 6.06 percent to 14.10 yuan.

Sapphire technology shares rose sharply, however, due to the predicted adoption of the sapphire screen in the upcoming iPhone set.

TDG Holding rose 3.80 percent to 12.57 yuan, while Anhui Tongfeng Electronics gained 1.62 percent to 6.89 yuan.