Shares of the following companies had unusual moves in U.S. trading. Stock symbols are in parentheses, and prices are as of 4 p.m. in New York.
Agilent Technologies Inc. (A:US) rose 4.1 percent, the most since Jan. 3, to $40.51. The maker of scientific-testing equipment reported earnings in the second quarter were 78 cents a share, topping the average analyst estimate by 5 cents.
American Science & Engineering Inc. (ASEI:US) fell 24 percent to $51.21 in its biggest slide since 1993. The maker of x-ray equipment for security inspections reported fourth-quarter earnings of 15 cents a share, missing the average analyst estimate by 82 percent, the most since at least 2005, according to data compiled by Bloomberg.
Arctic Cat Inc. (ACAT:US) dropped 10 percent, the most since July 2010, to $37.97. The snowmobile maker forecast full- year sales of $650 million at most. That missed the average analyst estimate of $659.7 million in a Bloomberg survey.
Avon Products Inc. (AVP:US) fell 9.7 percent, the most in the Standard & Poor’s 500 Index, to $18.71. Coty Inc. withdrew its $10.7 billion offer for the world’s largest door-to-door cosmetics seller, citing Avon’s “unwillingness to engage in discussions.”
Cellcom Israel Ltd. (CEL:US) tumbled 14 percent to $9.02, the lowest price since it went public in February 2007. Israel’s largest mobile-phone company posted a 43 percent decline in first-quarter profit amid concern competition will force the company to cut prices.
Dick’s Sporting Goods Inc. (DKS:US) jumped 6 percent, the most since Jan. 12, to $50.05. The largest publicly traded U.S. athletics store boosted its full-year sales forecast.
Dynavox Inc. (DVOX:US) fell 26 percent to $1.61, the lowest intraday price since its initial public offering in April 2010. The seller of speech software for people with learning disabilities reported third-quarter earnings that missed analysts’ estimates and said it will stop providing a forecast.
FriendFinder Networks Inc. (FFN:US) rallied 21 percent, the most since Feb. 8, to $1.29. The owner of Penthouse magazine, which is affiliated with about 250,000 dating and pornographic websites, said new adult subscriptions rose 2.5 percent in the first quarter from a year earlier.
Groupon Inc. (GRPN:US) rallied 3.7 percent to $12.17, the highest price since April 25. The largest daily coupon site reported first-quarter profit that topped analysts’ estimates, helped by lower marketing costs and expanded international sales.
Home Depot Inc. (HD:US) had the second-biggest retreat in the Dow Jones Industrial Average, losing 2.4 percent to $48.67. The largest U.S. home-improvement retailer reported first- quarter sales that trailed analysts’ projections after shoppers shied away from larger home projects.
Lakeland Industries Inc. (LAKE:US) fell 21 percent, the most since 1992, to $8. The Ronkonkoma, New York-based protective work clothing maker said it was ordered to pay $9 million in damages in a decision in a Brazilian arbitration proceeding involving the company and two former officers.
Millennial Media Inc. (MM:US) slumped 13 percent to $13.40, the lowest price since it went public in March. The second- largest mobile-advertising company forecast sales in 2012 will be no more than $176 million, falling short of the average analyst estimate of $202.8 million.
Opnet Technologies Inc. (OPNT:US) advanced 24 percent, the most since 2002, to $27.35. The software maker reported fourth- quarter earnings of 21 cents a share, beating the average analyst estimate by 1 cent.
Patriot Coal Corp. (PCX:US) slumped 18 percent to $3.94, the lowest price since April 2009. The coal producer cut the forecast it made a week ago for sales of steelmaking coal mined in Appalachia because of a potential default by a customer.
Summer Infant Inc. (SUMR:US) tumbled 33 percent, the most since it went public in May 2005, to $3.20. The Woonsocket, Rhode Island-based infant health and safety products company reported first-quarter sales of $58.5 million, trailing the average analyst estimate of $65 million in a Bloomberg survey.
TJX Companies Inc. (TJX:US) rose the most in the S&P 500, climbing 6.9 percent to $42.45. The discount clothing seller increased its full-year earnings forecast.
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