Morning Market Movers

XRS (NASDAQ: XRSC) jumped 83.28% to $5.54 after Omnitracs agreed to acquire XRS for $178 million.China HGS Real Estate (NASDAQ: HGSH) shares gained 34.15% to $10.10 after the company signed its second shanty area rebuilding project agreement with a budgeted investment over $750 million.Ascent Solar Technologies (NASDAQ: ASTI) surged 30.04% to $3.68 after the company announces new common stock investment of $8.0 million led by TFG Radiant Investment.Digital Ally (NASDAQ: DGLY) shares gained 21.54% to $22.68. Digital Ally (shares have jumped 59.62% over the past 52 weeks, while the S&P 500 index has gained 22.17% in the same period.Aldeyra Therapeutics (NASDAQ: ALDX) rose 20.81% to $4.18 after the company reported the expansion of drug development team ahead of NS2 clinical trials.Cellular Biomedicine Group (NASDAQ: CBMG) surged 14.82% to $22.28 after the company announced the launch of a study on human adipose mesenchymal progenitor cell.Norwegian Cruise Line Holdings (NASDAQ: NCLH) shares gained 11.59% to $37.17 after the company announced its plans to acquire Prestige Cruises International for $3.025 billion.Staples (NASDAQ: SPLS) shares climbed 3.30% to $12.07. Credit Suisse upgraded Staples from Market Perform to Outperform.Achillion Pharmaceuticals (NASDAQ: ACHN) rose 2.89% to $ 11.90 after rising 1.05% on Friday. Compuware (NASDAQ: CPWR) shares surged 1.41% to $9.35. According to the Wall Street Journal, Compuware is in talks to sell itself to a private equity firm.iDreamSky Technology (NASDAQ: DSKY) shares gained 1.31% to $20.86 after dropping 6.79% on Friday. Analysts at Stifel Nicolaus initiated coverage on iDreamSky with a Buy rating.Dollar General (NYSE: DG) shares jumped 0.95% to $64.60 after the company lifted its bid for Family Dollar (NYSE: FDO) to $80 per share.