Shares of the following companies may have-unusual moves in U.S. trading. Stock symbols are in parentheses.
AeroVironment Inc. (AVAV) : The maker of low-flying drones for U.S. military forces boosted the lower end of its sales forecast to $280.71 million from $274.47 million.
Atlas Energy Inc. (ATLS) : Investor Leon Cooperman reported a 7.4 percent passive stake in the natural gas producer.
Boston Beer Co. (SAM US): The maker of Samuel Adams lager posted fourth-quarter profit of 87 cents and sales of $115.7 million, both missing analysts’ average projections, according to data compiled by Bloomberg.
Diamond Foods Inc. (DMND) : The nut processor and distributor increased its 2011 earnings forecast to $2.45 to $2.51 a share. That compares with the average analyst estimate of $2.51 a share. The company also reported second-quarter revenue that fell short of estimates.
Emdeon Inc. (EM) : The provider of health-care revenue and payment cycle management services forecast 2011 earnings may be as low as $1 a share, compared with the average estimate for $1.04. Sales won’t exceed $1.135 billion, falling short of projections, Bloomberg data show.
Emeritus Corp. (ESC) : The provider of assisted-living services for the elderly said annual revenue won’t exceed $1.25 billion, compared with one estimate for $1.28 billion.
Finisar Corp. (FNSR) : The maker of fiber-optic transmission gear said it won’t earn more than 35 cents a share excluding some items in the fourth quarter, missing the average estimate by 31 percent.
Texas Instruments Inc. (TXN) : The largest analog chipmaker narrowed its first-quarter profit estimate to 56 cents to 60 cents a share from 54 cents to 62 cents. The average analyst estimate in a Bloomberg survey was 59 cents.
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