NEW YORK (MarketWatch) — Shares of the following companies were making notable moves in the U.S. stock market on Monday:
Altair Nanotechnologies Inc. gained 3.8% to 72 cents after the provider of fast-response battery-systems technology said Canon Investment Holdings Ltd. agreed to acquire 51% of the company for nearly $49 million.
Chelsea Therapeutics International Ltd. shares rose 13% to $5.73 after the biopharmaceutical developer reported its hypotension drug met a top goal in a late-stage study.
Diamond Hill Investment Group /zigman2/quotes/205894502/composite DHIL +0.13% shares gained 19% after the provider of investment management services said it would pay a special dividend of $12 a share in December.
IGo Inc. shares gained 11% after the producer of mobile accessories said it would team with Cisco Systems Inc. to create products for Cisco’s Flip Video cameras.
Internet Brands Inc. shares jumped 45% after the operator of e-commerce sites said it would be acquired by a private-equity firm for $640 million. Read more on Internet Brands’ buyout offer.
L-1 Identity Solutions Inc. /zigman2/quotes/209849927/composite ID -10.45% shares were up 20% after the producer of solutions to protect assets and identities with biometrics agreed to a buyout valued at $12 a share with Safran /zigman2/quotes/205372374/delayed SAFRF -1.41% , the Paris aerospace and defense firm. Read more on Safran’s deal for L-1.
Lennar Corp. /zigman2/quotes/202536373/composite LEN -0.22% shares added 8.2% after the home builder returned to profitability for its third quarter and beat analysts’ expectations.
Netezza Corp. shares advanced 15% after the developer of technology to reduce the time required to load historical data agreed to be acquired by International Business Machines Corp. /zigman2/quotes/203856914/composite IBM +0.69% for about $27 a share. Shares of another data-storage company, Teradata Corp. /zigman2/quotes/200055247/composite TDC +0.17% , rose 7.5%. Read more on IBM-Netezza deal.
digits: Apple Pushes Publishers Towards iPad
Apple has accelerated its efforts to persuade publishers to join the company's first foray into selling newspaper and magazine subscriptions for the iPad tablet computer. Shira Ovide joins the Digits show to discuss.
Office Depot Inc. /zigman2/quotes/204015456/composite ODP -3.41% shares rose 10% after Janney Montgomery Scott LLP said in a note the office-supply chain was effectively managing its balance sheet.
Prestige Brand Holdings Inc. /zigman2/quotes/202756400/composite PBH -0.23% shares rose 13% after the maker of Comet cleaner agreed to acquire Blacksmith Brands for $190 million.
Rovi Corp. shares rise 9.1% after the digital entertainment technology company announced a licensing deal with Apple Inc. /zigman2/quotes/202934861/composite AAPL +0.63%
ValueClick Inc. shares gained 9.4% after Benchmark Co. hiked its rating on the Internet advertising company to buy from hold.
International Paper Co. /zigman2/quotes/200533549/composite IP -0.04% shares closed down 6.4% and Temple-Inland Inc. shares fell 5.9% after brokerages reassessed their outlooks for the sector after an article in Pulp & Paper Week said containerboard prices did not rise as much as previously forecast in August. Read more on paper, packing stocks.
Owens Corning Inc. /zigman2/quotes/202113551/composite OC -0.92% shares fell 4.2% after the maker of insulation projected U.S. demand for roofing shingles will be down about 10% this year versus 2009.
SouFun Holdings Ltd.’s U.S.-listed shares declined 9.1% as investors took profits after a more than 70% climb in the Chinese real estate website’s market debut on Friday.