Morning Market Movers

NeoPhotonics NPTN shares jumped 17.47% to $3.16. Sky-mobi MOBI shares climbed 16.24% to $7.80 after the company announced unaudited Q2 financial results. Dollar General DG gained 10.08% to $63.25 after the company offered to buy Family Dollar Stores FDO for around $9.7 billion. TrovaGene TROV shares gained 9.44% to $3.94. Tecnoglass TGLS shares surged 7.76% to $11.80 on Q2 results. Tekmira Pharmaceuticals TKMR surged 7.58% to $19.45. TASER International TASR jumped 7.26% to $14.92 after rising 9.44% on Friday. Achillion Pharmaceuticals ACHN rose 6.05% to $9.81 after Deutsche Bank upgraded the stock from Hold to Buy and raised the price target from $6 to $17.