Shares of the following companies are having unusual moves in U.S. trading. Stock symbols are in parentheses, and prices are as of 9:50 a.m. in New York.
3PAR Inc. (PAR US) surged 40 percent to $25.22. Hewlett- Packard Co. (HPQ US) said it has offered to acquire 3PAR for $24 a share in cash, or $1.6 billion. That’s a 33 percent premium above the price offered by Dell Inc. (DELL US).
Hewlett-Packard fell 0.2 percent to $39.79. Dell gained 1 percent to $12.20.
Compellent Technologies Inc. (CML US), a storage area network producer, advanced 11 percent to $15.44. Isilon Systems Inc. (ISLN US), a maker of data-storage systems and software, rose 10 percent to $19.69. CommVault Systems Inc. (CVLT US), a provider of data management software applications, jumped 7.4 percent to $22.33.
Bank of America Corp. (BAC US) advanced 1.6 percent to $13.08. The largest U.S. lender was raised to “accumulate” from “hold” at Standpoint Research.
Baidu Inc. (BIDU US) dropped 2 percent to $80.56. The operator of China’s most-popular website was cut to “hold” from “buy” at Deutsche Bank AG, which cited “limited” potential to analysts’ earnings estimates.
BHP Billiton Ltd. (BHP US) jumped 1.77 percent to $68.60. The world’s biggest mining company and Rio Tinto Group (RTP US) rose amid optimism a proposed mining tax may be scrapped after Australia’s closest election in 70 years.
Separately, Potash Corporation of Saskatchewan Inc. (POT US) said its board voted unanimously to reject BHP’s takeover offer to acquire all outstanding shares of Potash for $130 a share in cash.
Rio Tinto advanced 2.5 percent to $52.34. Potash advanced 1.9 percent to $152.46.
Cumberland Pharmaceuticals Inc. (CPIX US) slipped 8.1 percent to $5.53. The drugmaker said the U.S. Food and Drug Administration extended a review of its application for the use of Acetadote in patients with acute liver failure.
First Solar Inc. (FSLR US) advanced 4 percent to $129.97. The world’s biggest maker of solar power modules was raised to “buy” from “neutral” at UBS AG, which cited increased global demand.
Foster’s Group Ltd. (FBRWY US) advanced 8.8 percent to $5.58. SABMiller Plc reportedly may make a 7 billion-pound ($10.9 billion) bid for the beer division of Australia’s biggest brewer. SABMiller, based in London, may make the offer for the Carlton & United Breweries division before it is split from Foster’s wine business next year, the Sunday Times reported yesterday, without saying where it got the information.
Jazz Pharmaceuticals Inc. (JAZZ US) plunged 23 percent to $7.85. The drugmaker failed to win a U.S. panel’s backing for an experimental fibromyalgia drug that includes a chemical linked to date rape.
Rosetta Resources Inc. (ROSE US) gained 4.4 percent to $20.34. The oil and natural gas company was raised to “buy” from “neutral” at SunTrust Robinson.
Warner Chilcott Plc (WCRX US) gained 3.3 percent to $29.04. The drugmaker said it plans to pay a special dividend of $8.50 a share.