Cognex Corporation (NASDAQ:CGNX) will release earnings for the fourth quarter of 2011 on Thursday, February 9, 2012, after the market closes, and will host a conference call that same day at 5:00 p.m. eastern time. The earnings release and conference call are scheduled to coincide with the company's expected filing of its Form 10-K for the year ending December 31, 2011.

** Oil States International Inc. (OIS) reported net income for the quarter ended June 30, 2011 of $74.2 million, a nearly 98% increase compared to the same period the prior year. OIS' revenues rose 38.0% year over year to $820.3 million

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Cognex Corporation (NASDAQ:CGNX) is the world's leader in the machine vision industry, having shipped more than 600,000 vision-based products, representing over $3 billion in cumulative revenue, since CGNX's founding in 1981. Headquartered in Natick, Massachusetts, USA, Cognex has regional offices and distributors located throughout North America, Japan, Europe, Asia and Latin America.