NYSE

Facebook (NYSE: FB), the No. 1 social network website, will stop insider trades of its shares Friday because its initial public offering roadshow will begin next week.

Best Buy swung to a loss in the fiscal 2012 fourth quarter, as well as the full year, leading the world's largest consumer electronics retailer shutter 50 big box stores in the coming year, the company reported Thursday.

Shares of AOL (NYSE: AOL), the seventh most-visited website, have gained nearly 7 percent this week after the company said a patent sale is an option to increase shareholder value.

Basho, a four-year-old startup, is challenging giants like Oracle (Nasdaq: ORCL) and EMC (NYSE: EMC) in the database market as well as new products for the Cloud, or Internet-based computing.

The top aftermarket NYSE gainers Wednesday were: Collective Brands, Red Hat, Vocera Communications, Guidewire Software, Petroquest Energy and Leapfrog Enterprises. The top aftermarket NYSE losers were: Newcastle Investment, American Greetings, Fortress Investment Group, Western Digital Corp, USG Corp and AVG Technologies NV.

Facebook (NYSE: FB) pledged to “vigorously defend” itself against claims it infringed upon 10 critical patents held by Yahoo (Nasdaq: YHOO), the No. 2 search engine.

Stocks fell Wednesday as investors were disappointed by a weaker-than-expected reading on durable goods orders, while a plunge in oil prices dragged energy and material shares lower.

While the U.S. oil and natural gas industries are reaping astronomical profits now, they could increase them even more if companies weren't so wasteful, the Natural Resources Defense Council said.

Apple (Nasdaq: AAPL) CEO Tim Cook’s visit to China isn’t for sightseeing. Rather, the new boss has met Vice Premier Li Keqiang, who may be the next Premier of China, as well as other officials.

AuRico Gold Inc (NYSE:AUQ), a North American gold producer, reported higher earnings for the fourth quarter and the 2011 year on increased production.

British oil giant BP is expanding gas drilling in Ohio despite the continuing decline in gas prices.

Pentair, Inc. (NYSE: PNR), a diversified industrial company, will merge with Tyco International Ltd.'s (NYSE:TYC) flow control business in a deal expected to generate significant savings through synergies, the companies said in a statement.

Orders for long-lasting goods rebounded in February from a deep 3.6 percent drop in January as demand for aircraft surged, the government said Wednesday.

Investors wonder if Research In Motion Ltd., which reports quarterly results Thursday, can rebound from recently anemic performance due to falling sales of its BlackBerry device. RIM's turnaround is being led by Thorsten Heins, who took over as CEO in January.

Chipotle Mexican Grill (NYSE:CMG) isn't just one of the most successful fast food chains -- it's trying to save the world.

Tyler and Cameron Winkelvoss weren’t the only Harvard classmates of Mark Zuckerberg to dispute ownership rights to what became Facebook (NYSE: FB).

The top aftermarket NYSE gainers Monday were: Jaguar Mining, Harvest Natural Resources, Inphi Corp, ENSCO plc, TrueBlue and Amcol International Corp. The top aftermarket NYSE losers were: Stoneridge, PolyOne Corp, Fabrinet, Cato Corp, Edwards Lifesciences and Orion Marine Group.

Despite Monday's 92-4 vote, Republicans are likely to kill the bill later this week if, as expected, they're not allowed by the Senate's Democratic leadership to propose amendments.

Facebook (NYSE: FB), the No. 1 social network that wants to complete its initial public offering, is spending more on lawyers these days.

Chevron Corp. (NYSE: CVX) the second largest U.S. oil company, will not be expelled from Brazil for pollution, a government official said.

Shares of Yahoo were mixed Monday as it appeared a proxy fight looms for its board of directors.