JA Solar Holdings Co (NASDAQ:

) shares moved up 8.06% to $12.34. The volume of JA Solar shares traded was 874% higher than normal. JA Solar reported its Q4 earnings of $0.16 per share on revenue of $357.30 million. STAAR Surgical Company (NASDAQ:

) shares rose 19.57% to $18.38. The volume of STAAR Surgical shares traded was 867% higher than normal. STAAR Surgical reported that the FDA voted in favor of Visian Toric Implantable Collamer Lens. Canaccord Genuity upgraded the stock from Hold to Buy and raised the price target from $14.00 to $20.00. China Petroleum & Chemical (NYSE:

) shares climbed 2.45% to $86.04. The volume of China Petroleum & Chemical shares traded was 539% higher than normal. China Petroleum & Chemical shares have dropped 2.05% over the past 52 weeks, while the S&P 500 index has gained 18.62% in the same period. LG Display Co (NYSE:

) surged 7.33% to $11.71. The volume of LG Display shares traded was 448% higher than normal. LG Display's trailing-twelve-month profit margin is 1.58%.