Markets: News  

Thursday's biggest gaining and declining stocks

CHICAGO (MarketWatch) -- Below are some of the stocks making big moves in Thursday's action:

Gainers

CACI International Inc. (CACI) shares gained 11% after Lazard Capital Markets analysts raised their rating on the stock to buy from neutral earlier Thursday. Late Wednesday, the company issued an upbeat profit forecast for fiscal 2013 and announced a new program to buy back up to 4 million shares.

GenVec(GNVC) shares added 6% after the company reported that it has licensed some of its vaccine technology rights to animal-health company Merial.

U.S.-listed shares of Rio Tinto PLC(RIO) (RIO) added 5%. On Wednesday, Rio released data on projected demand for its ores, and said it can meet its customers' requirements.

Sonic Corp. (SONC) gained nearly 6% after Bank of America Merrill Lynch raised its rating on the drive-in restaurant chain to buy from underperform.

Streamline Health Solutions Inc. (STRM) shares rose 7% after the company reported first-quarter financial results and said its backlog had increased 78% from year-ago levels

Decliners

Arbor Realty Trust Inc. (ABR) sank 7% after the real estate investment trust priced a follow-on public offering of 3.5 million shares, proceeds from which will be used to pay down debt and make investments.

Bio-Reference Laboratories Inc. (BRLI) shed 8%. The company issued a report on second-quarter results that topped most Wall Street forecasts. The stock is up sharply so far this year.

lululemon Athletica Inc. (LULU) shares fell 8% after the company posted financial results for the first quarter ended April 29 but issued an earnings outlook for the second quarter and the full year that came up short of analysts' consensus targets.

Men's Wearhouse(MW) shares fell 18%. Late Wednesday, the apparel retailer reported profit of $26.9 million for the first quarter ended April 28, down from $27.4 million in the year-earlier period, as revenue showed a 1.1% increase to $586.6 million. Men's Wearhouse also issued a forecast calling for modest growth in earnings during the second quarter.

Molina Healthcare Inc. (MOH) shares fell 30% as a result of the company's move to suspend its full-year earnings outlook. The company cited problems that have arisen with its entry into the Texas market as having caused costs to outpace revenue.

Navistar International Corp. (NAV) shares fell 14% after first-quarter results showed the company swinging to a loss. Navistar pointed to restructuring charges as well as slower-than-expected revenue growth.