Morning Market Gainers

shares jumped 49.05 percent to $17.99. Blue Bird reported Q2 earnings of $0.03 per share on sales of $183 million.

gained 44.69 percent to $3.08. Giga-tronics reported Q4 adjusted earnings of $0.03 per share on sales of $4.3 million.

shares jumped 17.90 percent to $15.11. Momo reported Q1 earnings of $0.05 per share on revenue of $26.3 million.

shares gained 11.20 percent to $26.91. Take-Two Interactive reported better-than-expected earnings for the fourth quarter, but the company's revenue missed analysts' estimates. The company also raised its share buyback plan to 10 million shares.

jumped 9.55 percent to $79.92 on better-than-expected Q1 earnings.

climbed 7.34 percent to $4.68 on the signing of Oyu Tolgoi underground mine development and financing plan by the Government of Mongolia, Turquoise Hill and

.

shares climbed 5.45 percent to $4.64 after rising 10.14 percent on Monday.

shares surged 3.15 percent to $69.38 after the company reported stronger-than-expected results for the first quarter and raised its full-year outlook.

climbed 2.77 percent to $14.46. FBR Capital upgraded Ascena Retail from Market Perform to Outperform and raised the price target from $12.00 to $20.00. On Monday, Ascena Retail announced its plans to purchase

in a deal valued at around $2.16 billion.