NEW YORK (Reuters) - Moody's Investors Service on Monday downgraded the long-term debt and deposit ratings for 28 Spanish banks and two issuer ratings, following on the heels of a cut to Spain's sovereign rating to just above junk status earlier this month.

SEATTLE (Reuters) - Microsoft Corp agreed to buy online social network firm Yammer Inc for $1.2 billion in cash, which will allow the software company to offer a service like Facebook Inc's to corporate customers.

SAN FRANCISCO (Reuters) - A new wave of automated hacking of online bank accounts might have stolen $78 million in the past year from customers in Europe, Latin America and the United States, according to researchers who peered into the computers of the hacking gangs.

(Reuters) - Exxon Mobil Corp reported a leak in a supply line on the T1 tower at its 502,000 barrel per day (bpd) refinery in Baton Rouge, Louisiana, that led to a release of benzene, according to a filing with the National Response Center.

(Reuters) - Rupert Murdoch's News Corp is thinking of splitting into two companies, the Wall Street Journal reported, citing people familiar with the situation.

AMSTERDAM (Reuters) - Dutch food group Wessanen said on Tuesday it has started the sales process of its U.S. drinks subsidiary ABC, which it had already marked as non-strategic.

TOKYO (Reuters) - Asian shares fell on Tuesday as investors remained skeptical that a summit of European leaders would yield any substantive measures to solve the region's protracted debt crisis, now in its third year.

NICOSIA/ATHENS (Reuters) - A fifth euro-zone country turned to Brussels for emergency funding on Monday when Cyprus announced it was seeking a lifeline for its banks and its budget, hours after Spain submitted a formal request to bail out its banks.

NEW YORK (Reuters) - Stocks ended higher on Friday, led by gains in bank shares, as the S&P 500 index bounced back from its second-worst decline of the year.

LONDON/NEW YORK (Reuters) - Major ratings downgrades by Moody's will further divide the world's biggest banks based on their strength and access to cheap customer deposits.

BASEL, Switzerland (Reuters) - Julius Baer , in talks with Bank of America about buying Merrill Lynch's non-U.S. wealth management unit, is particularly interested in its presence in Asia and Latin America, Chief Executive Boris Collardi told a newspaper.

LONDON (Reuters) - BlackBerry maker Research in Motion is considering splitting its business in two, separating its struggling handset manufacturing division from its messaging network, The Sunday Times reported.