GCL-Poly Energy Holdings Ltd. dropped the most in 20 months after a unit of China Investment Corp. sold 1.2 billion shares in the largest maker of materials used in solar panels.
GCL-Poly dropped as much as 13 percent to HK$1.82, the sharpest fall since Oct. 4, 2011, and was at HK$1.86 as of the noon trading break in Hong Kong. The city’s benchmark Hang Seng Index declined 0.6 percent.
