Take a look at some of Thursday's morning movers:

General Motors - The automaker earned $0.90 per share for the second quarter, 16 cents above estimates, though revenues were slightly short of estimates.

Cigna - The health insurer earned $1.52 per share, excluding certain items, for the second quarter, beating consensus by ten cents. Revenue also beat estimates, and Cigna raised its full-year forecast as membership numbers grow.

Knight Capital - The trading firm is expected to detail the impact of yesterday's technology glitch, which resulted in irregular trading in a number of stocks. Knight said the software problem that impacted order routing yesterday has resulted in a $440 million pre-tax loss. Despite the hit to capital, Knight says it remains in compliance with capital regulations.

Costco Wholesale - The membership warehouse retail reported a 5 percent increase in same-store sales for July, above analyst estimates of a 4 percent increase.

Nike, Dick's Sporting Goods - Sporting goods-related stocks are on the watch list today after European competitor Adidas reported a slowdown in sales growth in China and Europe, although its second-quarter sales and profits did beat analyst estimates.

Hewlett-Packard - HP has won a court victory over Oracle , with a judge ruling that Oracle had an obligation to continue updating software for an HP server. Oracle has vowed to appeal.

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