By Alexei Oreskovic. SAN FRANCISCO | Tue May 21, 2013 12:19am EDT. SAN FRANCISCO (Reuters) - Yahoo Inc Chief Executive Marissa Mayer's $1.1 billion acquisition of blogging service Tumblr will be a test of her ability to revive the aging Web portal.

The committee, which is made up of senior politicians, on Monday argued that Apple's complex structure includes three Irish-based subsidiaries that appear not be a tax resident anywhere in the world.

The Indian chief executive of outsourcing firm iGATE, Phaneesh Murthy, has been sacked "for not disclosing a relationship with a subordinate".

As 787 Dreamliner commercial flights resume after a lengthy grounding for battery problems, Boeing Co. and its customers are refocusing on fixing the host of other technical and mechanical issues that affect the reliability of the cutting-edge aircraft.

Fannie Mae and Freddie Mac (FMCC) are exempt from Michigan's state and local real estate transfer taxes, a U.S. appeals court ruled, overturning a lower-court decision.

Grammy winner Mary J. Blige is being chased for taxes again. Like mixing plaids and stripes, celebrities and taxes often seem to be in discord.

GrubHub Inc. and Seamless North America LLC, two of the top food-delivery websites in the U.S., have agreed to combine their companies to take on rivals in the growing market for online meal orders.

Sprint Nextel has cleared an obstacle to negotiating a possible takeover by Dish, the US satellite broadcaster, after it secured a disclosure waiver from Dish's rival bidder, SoftBank of Japan.

TOKYO�Japanese policymakers are prepared for a further weakening of the yen, government officials said, despite the recent acknowledgement by Cabinet ministers that the excessive strength has largely been corrected.

Federal Reserve Bank of Chicago President Charles Evans said the U.S. economy has improved �quite a lot� as the central bank maintains record stimulus and expressed confidence policy makers have tools needed to monitor markets for excesses.