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Ace, Catalyst Pharmaceutical, Conceptus, Nanometrics: U.S. Equity Movers

Shares of the following companies had unusual moves in U.S. trading. Stock symbols are in parentheses, and prices are of 4 p.m. in New York.

Commodity stocks advanced as the S&P GSCI Total Return Index of 24 raw materials increased for a fourth day, heading for the biggest weekly gain since April.

Monsanto Co. (MON US) rose the most in the Standard & Poor’s 500 Index, climbing 7.3 percent to $51.21. AK Steel Holding Corp. (AKS US) rose 5.4 percent to $13.38. U.S. Steel Corp. (X US) jumped 4.4 percent to $42.88. Newmont Mining Corp. (NEM US) added 2.6 percent to $61.93. Titanium Metals Corp. (TIE US) gained 3.2 percent to $19.67. Harvest Natural Resources Inc. (HNR US) rallied 11 percent to $8.29.

Ace Ltd. (ACE US) rose 4.7 percent, the most since May 2009, to $54.69. The Swiss insurance holding company was picked to replace Millipore Corp. (MIL US) in the Standard & Poor’s 500 Index, S&P said on its website.

Aviat Networks Inc. (AVNW US) rose 6.9 percent, the most since April 14, to $4.04. The maker of microwave radios, which are used to connect cellphone towers with the actual wireless network, agreed with shareholder Ramius LLC that the company is undervalued. Aviat will consider “all reasonable strategies” to generate growth, the company said in a letter to Ramius, as disclosed in a regulatory filing.

Big 5 Sporting Goods Corp. (BGFV US) declined 2.9 percent to $11.66, the lowest price in almost a year. The athletic-gear retailer said second-quarter profit was 20 cents to 23 cents a share as sales were “slightly softer” than expected. Analysts, on average, estimated the company to earn 28 cents, according to a Bloomberg survey.

Catalyst Pharmaceutical Partners Inc. (CPRX US) surged 47 percent, the most since April 12, to $1.32. The developer of drugs for central nervous system diseases said the European Patent Office granted a patent for the use of the company’s vigabatrin compound for the treatment of addiction.

Conceptus Inc. (CPTS US) dropped the most in the Russell 2000 Index, sinking 20 percent to $12.67. The maker of a female- sterilization method reduced its earnings forecast, saying it now expects to earn 26 cents a share at most in the current fiscal year. The company had previously projected at least 50 cents.

Google Inc. (GOOG US) gained 2.4 percent to $467.49 the highest price since June 28. The world’s most popular web search engine said it won a renewal of its Internet license in China, the world’s biggest Internet market by users, defusing a six- month standoff with the government over censorship that led the company to redirect users through Hong Kong.

Baidu Inc. (BIDU US), operator of China’s most-used Internet search engine, declined 1.7 percent to $71.20.

Grand Canyon Education Inc. (LOPE US) fell 6.1 percent, the most since Oct. 28, to $21.02. The post-secondary education provider said it was notified by the Department of Education of a review of the university’s administration of the Title IV program.

Independent Bank Corp. (IBCP US) fell 21 percent to 27 cents, the lowest on record in data going back to 1988. The Ionia, Michigan-based bank holding company said in a regulatory filing it may offer as much as $126.5 million of shares.

Madison Square Garden Inc. (MSG US) fell 4.6 percent to $19.44, for the biggest decline in the Russell 1000 Index. The owner of the New York Knicks retreated after LeBron James, the most-valuable player in the National Basketball Association for the past two seasons, announced he will sign with the Miami Heat instead of the company’s team.

Myriad Genetics Inc. (MYGN US) had the second-biggest drop in the Russell 1000 Index, sliding 4.1 percent to $15.06. The maker of a test for detecting inherited breast cancer was downgraded to “neutral” from “overweight” by JPMorgan Chase & Co.

Nanometrics Inc. (NANO US) rose 12 percent, the most since December 2, to $9.71. The semiconductor-gear maker reiterated its “strong business outlook” for 2010 and next year, saying “the current business environment is extremely healthy.”

Regis Corp. (RGS US) fell 12 percent, the most in more than a year, to $13.87. The world’s largest operator of hair-salon chains reported fourth-quarter revenue of $590 million, trailing the average analyst estimate of $603.4 million in a Bloomberg survey.

ScanSource Inc. (SCSC US) gained 5.5 percent, the most since Jan. 8, to $26.49. The maker of bar-code scanners said sales in the fiscal fourth quarter were at least $573 million. That beat the average analyst estimate of $537 million, according to a Bloomberg survey.

United American Healthcare Corp. (UAHC US) fell 37 percent to 40 cents, the lowest price since November 2000, after saying in a regulatory filing that it’s being delisted from the Nasdaq Stock Market for not holding its annual meeting.

To contact the reporter on this story: Elizabeth Stanton in New York at estanton@bloomberg.net

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