Clorox, Delcath Systems, Google, Petrohawk: U.S. Equity Movers

Shares of the following companies had unusual moves in U.S. trading. Stock symbols are in parentheses and prices are of 4 p.m. in New York.

AngioDynamics Inc. (ANGO US) climbed 10 percent, the most since January 2009, to $15.44. The maker of devices to treat cancer and heart disease was raised to “buy” from “hold” at Canaccord Genuity Corp., which said the stock is “undervalued.”

Clorox Co. (CLX US) rose 8.9 percent to $74.55, the highest price since at least 1980. Billionaire investor Carl Icahn offered to buy the bleach maker for about $10.2 billion in a move designed to flush out other potential bidders.

Delcath Systems Inc. (DCTH US) dropped 14 percent, the most since Feb. 22, to $5.06. The developer of an experimental system for giving anti-cancer drugs said it’s offering 5 million shares to raise money for product development and commercialization.

Flir Systems Inc. (FLIR US) fell the most in the S&P 500, slumping 9.9 percent to $28.92. The maker of night-vision cameras used by U.S. combat forces reported second-quarter profit excluding some items of 35 cents a share, trailing the average analyst estimate by 4 cents, Bloomberg data showed.

Google Inc. (GOOG US) surged 13 percent, the biggest gain in the Standard & Poor’s 500 Index, to $597.62. The owner of the world’s largest Internet search engine reported sales and profit that topped analysts’ estimates, a sign the company is benefiting from an effort to expand into mobile and display advertising.

Orrstown Financial Services Inc. (ORRF US) fell 9.9 percent, the most since March 2010, to $22.61. The bank holding company said it will take additional $21 million of loan loss provisions.

Petrohawk Energy Corp. (HK US) surged 63 percent to $38.17 for the biggest increase in the Russell 1000 Index. BHP Billiton Ltd. (BHP US), the world’s largest mining company, agreed to buy the Houston-based company for about $12.1 billion in cash, betting natural gas demand will gain in the U.S.

Other energy stocks also advanced. Cabot Oil & Gas Corp. (COG US) climbed 9.3 percent to $68.43. Range Resources Corp. (RRC US) added 12 percent to $61.78. Southwestern Energy Co. (SWN US) increased 8.8 percent to $47.53. Pioneer Natural Resources Co. (PXD US) jumped 10 percent to $95.03. Chesapeake Energy Corp. (CHK US) climbed 9.1 percent to $32.96. Goodrich Petroleum Corp. (GDP US) rose 8.3 percent to $18.73. PetroQuest Energy Inc. (PQ US) rallied 11 percent to $7.43.

Qlik Technologies Inc. (QLIK US) fell 10 percent, the most since its initial public offering, to $30.25. The developer of enterprise software was cut to “hold” from “buy” at Jefferies Group Inc.

Seattle Genetics Inc. (SGEN US) fell 7.2 percent, the most since November, to $18.87. While the company’s experimental blood cancer drug Adcentris won the backing from a U.S. advisory panel on the accelerated approval to treat patients who suffer relapse or don’t respond to chemotherapy, it will take some time to generate the data necessary to drive supplemental approvals in other treatment settings, JPMorgan Chase & Co. said in a note.

Valmont Industries Inc. (VMI US) rose 8.4 percent, the most since Feb. 18, to $109.71. The maker of light poles and irrigation equipment boosted its full-year earnings forecast to at least $5.70 a share. That exceeded the average analyst estimate of $5.35 in a Bloomberg survey.

Vical Inc. (VICL US) advanced 7.2 percent, the most since May 12, to $4.61. The drugmaker entered a license agreement with Astellas Pharma Inc. to develop TransVax, a vaccine against cytomegalovirus reactivation in transplant recipients.

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