This year’s lists singled out the 10 "dirtiest" hotels in each of six regions — the United States, Asia, Canada, France, Italy and Britain. Read more..

By JOE SHARKEY - The New York Times

The China Investment Corporation bought more than $9 billion worth of shares in companies like Bank of America and Apple. Read more..

By DAVID BARBOZA and KEITH BRADSHER - The New York Times

Some of the most-talked-about ads during the Super Bowl broadcast were those created or suggested by consumers, not advertising agencies. Read more..

By STUART ELLIOTT - The New York Times

Rajiv Goel said that in 2007 he provided the hedge fund founder Raj Rajaratnam with confidential tips about Intel and Sprint Nextel. Read more..

By ZACHERY KOUWE - The New York Times

Economists said that Toyota’s troubles show that economic change is urgently needed in Japan. Read more..

By MARTIN FACKLER - The New York Times

Adam Bryant, deputy business editor of The Times discusses Toyota's crisis and its latest recall, the Prius hybrid. Read more..

None None - The New York Times

Newsstand sales of magazines plummeted in the last half of 2009, helping to send total circulation lower. Read more..

By STEPHANIE CLIFFORD - The New York Times

As production resumes this week in Georgetown, Ky., and other American cities where Toyota builds cars, people are eager to see its recall problems blow over. Read more..

By MICKEY MEECE - The New York Times

Former Treasury Secretary Henry M. Paulson Jr., responding to a question from Warren E. Buffett, said Tuesday that the United States government would be repaid in full for the bailout money it gave to financial firms. Read more..

By DEALBOOK - The New York Times

Robert S. Khuzami, the head of enforcement, must restore confidence that the S.E.C. can police Wall Street. Read more..

By JENNY ANDERSON and ZACHERY KOUWE - The New York Times