Education Management Corp. plunged 19 percent to $3.24. The second-largest for-profit college chain by enrollment fell a day after posting a $1.2 billion loss in the fiscal fourth quarter.
SunPower Corp. declined 10 percent to $4.20. The solar- panel company majority-owned by Total SA tumbled after it cut its 2012 sales forecast.
Kohl's Corp. slid 1.2 percent to $51.42. The third-largest U.S. department-store company reduced its fiscal 2012 profit forecast after sales fell in the second quarter.
NetApp Slumps
NetApp Inc. dropped 2.6 percent to $32.13. The seller of hardware and software for storing data was downgraded to hold from buy at Cantor Fitzgerald LP by equity analyst Paul Mansky. The 12-month target price is $38 per share.
Asian dealmaking in North America confirms energy and gold stocks are a bargain when compared with the underlying commodities, according to Frank Holmes, U.S. Global Investors Inc.'s chief executive officer. The shares have trailed commodity prices for more than a year.
"The disparities mean that the cheapest resources are not found in the ground -- they're listed" on stock exchanges, Holmes wrote three days ago in a blog posting.
Proposed multibillion-dollar takeovers of Canadian energy producers by Cnooc Ltd. and Petroliam Nasional Bhd show the value available in commodity stocks, according to Holmes.
Cnooc, China's largest offshore-oil explorer, offered to acquire Nexen Inc. in July for 61 percent more than the stock's market price. The proposed deal followed an offer in June from Petronas, Malaysia's state-owned energy company, for Progress Energy Resources Corp. that was 77 percent above the market price. The bid was raised last month.
Holmes's firm, based in San Antonio, runs three commodity- related mutual funds with total assets of about $1 billion. The biggest is the Global Resources Fund, which returned 12 percent during the two-year period depicted in the chart, according to data compiled by Bloomberg.