BOSTON (Reuters) - For the rare comeback story among money managers, look to MFS Investment Management, one of the oldest names in the mutual fund business but also one of the most battered after the Internet bubble popped in 2000. Getting caught up in the industry's trading scandals just as stocks recovered only made matters worse.

NEW YORK (Reuters) - U.S. law enforcement officials on Tuesday said 24 suspected hackers had been arrested in a sting operation spanning four continents that targeted online financial fraud of stolen credit card and bank information.

SEATTLE (Reuters) - Boeing Co appointed a new head of its commercial plane unit on Tuesday, turning to a veteran engineer-turned-salesman to help gain the upper hand in its battle with Airbus for the $100 billion-a-year aircraft market.

HONG KONG (Reuters) - Citigroup Inc has named Jonathan Larsen as global head of its retail bank, filling the position for the first time with an Asia-based banker.

NEW YORK (Reuters) - Morgan Stanley was quick to dismiss suggestions its status as the king of initial public offerings for Silicon Valley was under threat because of the botched Facebook Inc IPO last month. And that confidence may be warranted.

TOKYO (Reuters) - Asian shares rose on Wednesday but the euro was capped as investors concluded a European summit this week will fail to take concrete action to resolve the euro zone debt crisis, with Germany staunchly opposed to sharing the region's debt burden.

LONDON (Reuters) - Perhaps the biggest investor shock of the second half of 2012 would be if everything turns out OK and the world doesn't fall apart at the seams.

NEW YORK/WASHINGTON (Reuters) - Five of the biggest banks in the United States are putting finishing touches on plans for going out of business as part of government-mandated contingency planning that could push them to untangle their complex operations.

TOKYO (Reuters) - Sony Corp's new CEO, Kazuo Hirai, on Wednesday defended retaining his predecessor, Howard Stringer, as chairman of the board and promised his turnaround strategy will save Japan's troubled consumer electronics giant.

LONDON (Reuters) - Commodities trader Glencore , scrambling to save its $30 billion offer for miner Xstrata , is expected to sweeten its bid in order to seal the deal, after key shareholder Qatar said it could oppose the takeover on current terms.

(Reuters) - Quest Software Inc has received an improved bid from Dell Inc to buy the maker of enterprise management software for about $2.32 billion, a source close to the matter said on Monday.

(Reuters) - Shares of Chesapeake Energy Corp and Encana Corp tumbled Monday after a Reuters investigation showed that top executives of the two rivals plotted in 2010 to avoid bidding against each other in a state auction and in at least nine prospective deals with private land owners.