Shares of Humana Inc (NYSE: HUM) fell about 0.9% after the company signed an agreement to buy MD Care, a California-based Medicare Advantage HMO with approximately 15,000 members in Southern California. The terms of the deal were not disclosed.
Shares of Mattson Technology Inc (NASDAQ: MTSN) gained about 1.5% after the company named J. Michael Dodson as executive vice president and chief financial officer (CFO) effective October 11, 2011.
Shares of Nike Inc (NYSE: NKE) surged about 5.5% after the company reported a 15% rise in its fiscal first-quarter profit. The company's results beat Wall Street's expectations.
Shares of Cavium Inc (NASDAQ: CAVM) dipped about 15.4% after the company lowered its third-quarter revenue forecast.
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