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.
Staffing companies declined after U.S. employers added 18,000 workers in June, the fewest in nine months. Monster Monster Worldwide Inc. (MWW US) declined 3.2 percent to $14.65. Manpower Inc. (MAN US) dropped 4.3 percent to $56.13. On Assignment Inc. (ASGN US) slid 3.4 percent to $10.42.
Amylin Pharmaceuticals Inc. (AMLN US) gained 3.7 percent to $14.22, the highest price since March 2. The San Diego-based drugmaker said its experimental diabetes treatment Bydureon will be resubmitted for U.S. regulatory approval this quarter.
Aeroflex Holding Corp. (ARX US) plummeted 18 percent, the most since its initial public offering in November, to $15.40. The designer of radio frequency and microwave integrated circuits said sales in the fiscal fourth quarter missed its forecast because of delays in shipments. Oppenheimer & Co. cut the stock’s rating to “market perform” from “outperform” while Needham & Co. downgraded the company to “hold” from “buy.”
Autoliv Inc. (ALV US) declined 11 percent, the most in the Russell 1000 Index, to $71.14. The world’s biggest producer of automotive seatbelts and air bags said liabilities related to antitrust investigations in the U.S. and Europe are likely to “materially” affect its operating profit and cash flow.
Geron Corp. (GERN US) rose 9.8 percent, the most since Oct. 12, to $4.39. The pharmaceutical company got an “overweight” rating in new coverage at JPMorgan Chase & Co., which set a price estimate of $6. Analyst Cory Kasimov cited the company’s oncology products under development and the possibility of a rally in smaller bio-technology stocks.
Ixia (XXIA US) plunged 24 percent to $9.90 for the biggest retreat in the Russell 2000 Index. The provider of test equipment for high-speed networks said second-quarter profit was 8 cents a share at most because of lower-than-expected revenue from the Asia Pacific region and from certain large equipment makers. Analysts had forecast a profit of 16 cents a share, according to the average of six estimates in a Bloomberg survey.
Multi-Fineline Electronix Inc. (MFLX US) declined 6.5 percent, the most since May 6, to $20.32. The maker of flexible circuit boards for mobile devices’ said it expects to report third quarter sales of about $191 million, short of its forecast of $200 million to $220 million.
SemiLEDs Corp. (LEDS US) rose 8.6 percent to $6.73 for its biggest increase since June 22. The manufacturer of light-emitting-diode chips in Hsinchu, Taiwan, earlier declined as much as 16 percent after projecting a fourth-quarter loss of at least 23 cents a share. Analysts had estimated a loss of 4 cents a share on average.
Wynn Resorts Ltd. (WYNN US) rose 2.3 percent to $161.15 for the biggest gain in the Standard & Poor’s 500 Index. JPMorgan Chase & Co. raised its nine-month price estimate for the owner of the Wynn and Encore casinos to $174 from $158.