IStar Financial, New York Times, SanDisk: U.S. Equity Movers

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.

Amag Pharmaceuticals Inc. (AMAG US) dropped 15 percent to $19.96, the lowest since November 2008. The maker of Feraheme, an iron product used by anemic kidney-disease patients, canceled tomorrow’s presentation at a UBS AG conference, citing a meeting with the Food and Drug Administration.

Atlas Air Worldwide Holdings Inc. (AAWW US) jumped 7.5 percent, the most since May 10, to $53.18. The U.S. carrier of freight for airlines boosted its full-year earnings forecast to at least $5.30, excluding some items, exceeding the average estimate $4.61 by analysts in a Bloomberg survey.

Buckle Inc. (BKE US) fell 8.4 percent, the most since July 8, to $26.69. The U.S. casual-clothing retailer didn’t announced a special dividend, disappointing some investors, Janney Montgomery Scott said in a note.

Commonwealth REIT (CWH US) slumped 6.1 percent, the most since May 20, to $26.28. The real estate investment trust that owns office buildings will sell 5 million shares and use proceeds from the sale to reduce debt on a $750 million revolving credit facility. The creation of additional shares tends to dilute earnings for existing shareholders.

Cypress Sharpridge Investments Inc. (CYS US) dropped 6.8 percent, the most since June 24, to $12.93. The specialty finance company said it plans to sell 10 million shares, raising money to buy residential mortgage-backed securities and fund daily business.

Edwards Lifesciences Corp. (EW US) rose 9 percent to $59.35 for the biggest advance in the Russell 1000 Index. Morgan Stanley analysts led by David R. Lewis predicted in a report the share price will rise relative to peers over the next 60 days based on results of a clinical trial of its Sapien heart valve to be announced Sept. 23.

Genoptix Inc. (GXDX US) tumbled 11 percent to $14.65, the lowest since it went public in October 2007. The Carlsbad, California-based medical laboratory said it expects third- quarter sales to be at least 5 percent lower than the previous three months.

Hatteras Financial Corp. (HTS US) declined 6.3 percent, the most since September 2009, to $28.76. The real estate investment trust said it will sell 5 million shares in a public offering and declared a third-quarter dividend of $1.10 a share.

IStar Financial Inc. (SFI US) slid 13 percent to $3.48 for the third-biggest drop in the Russell 2000 Index. The commercial real estate lender seeking to restructure some of its $8.6 billion of debt may seek bankruptcy protection after creditors blocked it from amending loans, said people with knowledge of the plan.

Makemytrip Ltd. (MMYT US) fell 9.8 percent, the most since its initial public offering last month, to $34.07. India’s biggest online travel company was downgraded to “hold” from “buy” at Soleil Securities Corp. by equity analyst Jake Fuller. The 12-month share-price estimate is $36.

New York Times Co. (NYT US) fell 5.6 percent, the most since July 28, to $7.97. John Janedis, an analyst at UBS AG, recommended investors sell the newspaper publisher in his first report on the industry. National advertisers will continue to shift spending to other media, Janedis said.

Gannett Co. (GCI US) fell 2.4 percent to $13.17. Janedis rated the publisher of USA Today “neutral.”

Nvidia Corp. (NVDA US) had the biggest gain in the S&P 500, advancing 5.4 percent to $11.29. The maker of chips for computer graphics cards is likely to climb to as high as $13 as inventory drops and demand is stabilizing, Michael McConnell, an analyst with Pacific Crest Securities, wrote in a note.

Owens-Illinois Inc. (OI US) declined 6.1 percent, the most since July 29, to $27.59. The world’s largest maker of glass containers was cut to “neutral” from “outperform” by Macquarie Group Ltd.

SanDisk Corp. (SNDK US) had the second-biggest loss in the S&P 500, sinking 6.1 percent to $35.50. The biggest maker of flash-memory cards was downgraded to “neutral” from “buy” at Sterne, Agee & Leach. Vijay Rakesh, the analyst, cited weak pricing for NAND memory and competition from Samsung Electronics Co.

TeleNav Inc. (TNAV US) rose 7.5 percent, the most since May 13, to $5.44. The navigation and search services provider for mobile devices extended its agreement with Sprint Nextel Corp. to Dec. 31, 2012.

Vivus Inc. (VVUS US) jumped 9.1 percent to $6.74, the highest since July 15. The Mountain View, California-based drugmaker reported statistically significant results for its diet pill Qnexa.

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

To contact the editor responsible for this story: Nick Baker at nbaker7@bloomberg.net.

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