Shares of the following companies may have unusual moves in U.S. trading. Stock symbols are in parentheses. Bank of New York Mellon Corp. (BK) : The world’s biggest custody bank said Robert P. Kelly stepped down as chairman, chief executive officer and director because of differences with the board in the approach to managing the New York-based company. Gerald L. Hassell was named chairman and CEO. Cooper Cos. (COO US): The maker of contact lenses and medical devices boosted its earnings forecast for 2011 to as much as $4.25 a share, topping an earlier prediction of no more than $4.15 and beating the average analyst estimate of $4.14. Greif Inc. (GEF) : The maker of shipping and packaging reported third-quarter adjusted earnings of $1.18 a share, missing the average analyst estimate of $1.33. SAIC Inc. (SAI) : The defense contractor specializing in computer services cut its revenue forecast for 2012 to no more than $11 billion, below an earlier prediction of as much as $11.5 billion and the average analyst estimate of $11.2 billion. Zumiez Inc. (ZUMZ) : The Everett, Washington-based retailer reported second-quarter sales of $112.2 million, falling short of the $112.4 million predicted by analysts on average. To contact the reporter on this story: Inyoung Hwang in New York at ihwang7@bloomberg.net. To contact the editor responsible for this story: Nick Baker at nbaker7@bloomberg.net.

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