Kenexa, Potash, Netflix, Rubicon, Suntech: 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.

Fertilizer producers advanced after Credit Suisse Group AG said the industry’s valuations “look highly compelling.” Mosaic Co. (MOS US) 4.3 percent to $55.77. CF Industries Holdings Inc. (CF US) climbed 4.6 percent to $146.81. Potash Corporation of Saskatchewan Inc. (POT US) rose 2.7 percent to $48.04.

Solar shares declined after Raymond James Financial Inc. cut estimates for the group, citing “drastically” reduced pricing and margin assumptions. First Solar Inc. (FSLR US) fell

6.5 percent, the most in the S&P 500, to $55.91. SunPower Corp. (SPWRA US) slid 2.5 percent to $8.24. Suntech Power Holdings Co. (STP US) retreated 9.2 percent to $2.27.

Aeropostale Inc. (ARO US) rose 7.1 percent to $12.99, the highest price since Aug. 3. The teen-clothing retailer was raised to “buy” from “hold” at Jefferies & Co. Inc.

AMR Corp. (AMR US) advanced 7.1 percent to $2.71, the highest price since Sept. 30. The company’s American Airlines unit joined its bigger U.S. peers with deeper seating cuts and said it would ground 11 jets in 2012 as it faces a weak economy, more pilot retirements and higher fuel costs.

BigBand Networks (BBND US) surged 75 percent, the most in the Russell 2000 Index, to $2.22. The maker of digital video equipment agreed to be acquired by Arris Group Inc. (ARRS US) for $2.24 a share. Arris lost 1.5 percent to $11.35.

Dollar Thrifty Automotive Group Inc. (DTG US) sank 2 percent to $59.19, the first decline in five days. The fourth-biggest U.S. rental-car chain said it ended its sale process because Hertz Global Holdings Inc.’s (HTZ US) bid didn’t meet the board’s requirements of an offer cleared of antitrust risk.

Jones Group Inc. (JNY US) surged 10 percent, the most since July 27, to $10.70. Delta-Galil Industries Ltd. (DELT IT) said it’s in talks to buy the jeans operations of the New York-based apparel and footwear maker. Delta expects to pay $350 million to $400 million for the purchase, according to a statement filed today with the Tel Aviv Stock Exchange.

Juniper Networks Inc. (JNPR US) rose 2.5 percent to $20.17, the highest price since Sept. 15. The second-largest maker of Internet networking equipment may beat analysts’ estimates because of “solid networking demand and modest cost reductions,” Barclays Plc said in a note to clients.

Kenexa Corp. (KNXA US) jumped 12 percent, the most since May 20, to $19.36. The employee recruiter said preliminary third-quarter revenue will be at or above the high end of its previously issued $72 million to $74 million range.

Netflix Inc. (NFLX US) fell 2.7 percent to $108.66, the lowest price since Aug. 4. Time Warner Inc. will begin offering its HBO Go streaming-video service on set-top boxes made by Roku Inc., which said the deal will add 1,400 titles for viewing on big-screen televisions. Netflix provides mail-order and online film-rental service.

Rubicon Technology Inc. (RBCN US) slipped 8.8 percent to $9.56, the lowest price since July 2009. The maker of crystalline products was cut to “underweight” from “neutral” at Piper Jaffray & Co., which cited falling sapphire prices and increased competition.

Sally Beauty Holdings Inc. (SBH US) slumped 6 percent, the most since Aug. 8, to $16.50. The distributor of professional beauty supplies said it began a secondary offering of 15 million shares of common stock.

Sprint Nextel Corp. (S US) rose 7.2 percent, the most in the S&P 500, to $2.38. The third-largest U.S. wireless operator was added to “Top Picks” by FBR Capital Markets, which said the company’s financing risk was “overstated.”

Synaptics Inc. (SYNA US) rose 3.3 percent to $28.40, the highest price since May 20. The maker of touch pads for digital music players and electronic devices was raised to “buy” from “neutral” at Collins Stewart LLC.

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