NEW YORK (Reuters) - Stocks rose more than 1 percent on Monday, with the S&P 500 snapping a six-day losing streak in a rebound from equities' biggest weekly drop in almost six months, but Facebook slumped in its second session after a disappointing debut. Tech shares were among the day's biggest gainers, with an S&P sector index surging 2.8 percent on the strength of Apple Inc . Shares of Apple climbed 5.8 percent to $561.28, leading the Nasdaq to its biggest one-day percentage gain since December 2011. ...

NEW YORK (Reuters) - Seventeen more partners at Dewey & LeBoeuf announced their departure on Monday, as the failing law firm considered filing for bankruptcy. Rival law firm Proskauer Rose said it was bringing in four partners, including Ralph Ferrara, a vice chairman at Dewey and former general counsel of the U.S. Securities and Exchange Commission. Duane Morris, another law firm, said it was hiring 16 lawyers from Dewey, including six of its partners. ...

(Reuters) - Federal prosecutors on Monday announced insider trading charges against a former Yahoo employee and a fund manager for illegally sharing and trading on secret company information. The pair pleaded guilty in Manhattan federal court on Monday, the Manhattan U.S. Attorney's office said in a press release. They were also charged by U.S. securities regulators in a parallel civil proceeding. The SEC said it is pursuing a civil settlement with the two. ...

(Reuters) - Apple has maintained its place as the world's most valuable brand over the past year, leading a group of technology-related companies that dominate the top 10, according to a study published on Tuesday. The iPhone and iPad maker has boosted its brand value by 19 percent in the past year to $183 billion, or 37 percent of its market capitalization, according to the annual BrandZ study by leading brands and market-research agency Millward Brown. ...

(Reuters) - Jailed former Enron Corp. Chief Executive Officer Jeffrey Skilling is seeking a new trial citing "newly discovered evidence," according to court documents. Skilling was convicted in 2006 on charges including conspiracy and securities fraud in relation to the 2001 collapse of the one-time energy trading giant Enron. The 58-year-old is now serving a 24-year jail term. Skilling attorney Daniel Petrocelli has asked a judge for more time to file a "motion for a new trial based on newly discovered evidence", according to court filings last week in Houston federal court. ...