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.
American Assets Trust Inc. (AAT US) rose 3.7 percent to $21.25 on the first day of trading. The owner of properties from San Francisco to Honolulu raised $564 million in the largest U.S. initial public offering of a real estate investment trust in more than a year.
BioCryst Pharmaceuticals Inc. (BCRX US) fell 6.7 percent, the most since Sept. 14, to $4.82. The developer of small-molecule drugs for infectious diseases said a Phase 3 study of peramivir for influenza is likely to take longer than previously expected because of changes to the study.
Biodel Inc. (BIOD US) rose 28 percent to $2.50 for the biggest advance in the Russell 2000 Index. The company is making presentations this week to investors, who may be interested in “the blockbuster revenue potential” of the insulin formulation Linjeta, Biodel’s lead product candidate, Liana Moussatos, an analyst at Wedbush Securities Inc., wrote in a report.
Convergys Corp. (CVG US) fell 6.1 percent to $13.21 for the third-biggest retreat in the Russell 1000 Index. The operator of customer-service call centers was rated “sell” in new coverage by Goldman Sachs Group Inc.
DragonWave Inc. (DRWI US) tumbled 16 percent, the most since May 7, to $7.25. The maker of wireless equipment forecast revenue of $15 million in the fiscal fourth quarter, trailing the average analyst estimate of $27.4 million in a Bloomberg survey.
Exfo Inc. (EXFO US) surged 20 percent to $9.06, the highest price since February 2002. The maker of equipment for the telecommunications industry forecast second-quarter sales of at least $70 million, beating the average analyst estimate of $63.6 million from a Bloomberg survey.
Rival JDS Uniphase Corp. (JDSU US) rose 4.4 percent to $17.46 for the third-biggest increase in the Standard & Poor’s 500 Index.
Infosys Technologies Ltd. (INFY US) dropped 6.3 percent, the most since April 2009, to $71.84. India’s second-largest software-services exporter posted third-quarter profit that missed analysts’ estimates.
Leap Wireless International Inc. (LEAP US) rose 4.4 percent to $13.77, the first gain in three days. The pay-as-you-go mobile-phone provider was rated “overweight” in new coverage by JPMorgan Chase & Co.
Marathon Oil Corp. (MRO US) jumped 6 percent to $42.98 for the biggest gain in the S&P 500. The largest refiner in the U.S. Midwest will spin off its fuel-making business, creating two independent energy companies. The spinoff is expected to be effective June 30.
Merck & Co. (MRK US) fell the most in the Dow Jones Industrial Average, sliding 6.6 percent to $34.69. Studies of the company’s anti-clotting drug vorapaxar, a product analysts said may generate $5 billion in sales, were halted for patients with a previous stroke, potentially limiting its use.
Mercury Computer Systems Inc. (MRCY US) rose 5.1 percent, the most since Dec. 1, to $18.99. The Chelmsford, Massachusetts-based company acquired LNX Corp. for $31 million plus up to $5 million payable if financial targets this year and next year are met. Mercury also forecast second-quarter revenue will be $55.5 million, beating the $53.9 million projected by analysts.
Micron Technology Inc. (MU US) jumped 3.1 percent to $9.63, the highest price since June 28. The largest U.S. maker of computer-memory chips was raised to “outperform” from “neutral” at Robert W Baird & Co. The 12-month share-price estimate is $15.
MSCI Inc. (MSCI US) slid 7.5 percent, the most since October 2009, to $36.75. The developer of investment indexes and analytics reported fourth-quarter earnings excluding some items of 36 cents a share, in line with the average analyst estimate in a Bloomberg survey.
SemiLEDs Corp. (LEDS US) tumbled 34 percent to $18.76 for the biggest decline since it went public in December. The manufacturer of light emitting diode chips in Hsinchu, Taiwan, said it experienced “pricing pressure” in the fiscal second quarter and earnings will be 9 cents a share at most.
Other LED-product makers also dropped. Cree Inc. (CREE US) lost 5.4 percent to $65.46. Veeco Instruments Inc. (VECO US) slid 4.2 percent to $47.57.
Smith Micro Software Inc. (SMSI US) dropped 14 percent, the most since November 2009, to $13.43. The communications-software provider for wireless carriers and phone makers was cut to “neutral” from “overweight” at JPMorgan Chase & Co.
SodaStream International Ltd. (SODA US) climbed 19 percent, the most since Nov. 4, to $39. The producer of soda makers had a “successful holiday season” after its introduction in the U.S., Oppenheimer & Co. analysts Joseph Altobello and Henry Capellan wrote in a note after meeting with the company’s management.
Terex Corp. (TEX US) rose 5.8 percent, the most since Sept. 24, to $31.25. The world’s third-biggest maker of construction equipment had its share-price estimate increased to $44 from $38 by Credit Suisse Group AG, which said U.S. sales may beat expectations this year.
TTM Technologies Inc. (TTMI US) gained 21 percent to $17.74, the highest price since February 2004. The maker of printed circuit boards forecast fourth-quarter profit excluding some items of at least 45 cents a share. On average, the analysts surveyed by Bloomberg estimated earnings of 37 cents.
Whole Foods Market Inc. (WFMI US) rose 4.6 percent, the most since Nov. 4, to $52.31. Jefferies & Co. raised its first-quarter profit estimate for the largest U.S. natural-goods grocer based on a store manager survey, and increased its price target to $60 from $47.