Orbis Investment Management, which owns 6.9 percent of Nikko, said in a statement that Citigroup’s offer was “unacceptable.” Read more..

By BLOOMBERG NEWS - The New York Times

Wikipedia’s co-founder has called for a voluntary system for accrediting contributors who say they have advanced degrees. Read more..

By NOAM COHEN - The New York Times

Multiple systems have hampered the growth of new services, mobile phone executives say. Read more..

By ERIC SYLVERS - The New York Times

Best Buy Asks Four Agencies. Read more..

By THE NEW YORK TIMES - The New York Times

A paper in The Journal of Consumer Research looks at the effects of self-restraint on subsequent impulse purchases. Read more..

By ALEX MINDLIN - The New York Times

The following equity and convertible debt offerings are expected this week:. Read more..

By THE NEW YORK TIMES - The New York Times

Texas officials argue that a new rule to disclose the size of their health care obligation to retirees does not apply to their state. Read more..

By MARY WILLIAMS WALSH - The New York Times

The Treasury’s schedule of financing this week includes today’s regular weekly auction of new three- and six-month bills and an auction of four-week bills tomorrow. Read more..

THE NEW YORK TIMES - The New York Times

Radio and TV show archives have become valuable prizes in the desperate search for new content for Web sites and DVDs. Read more..

By ROBERT LEVINE - The New York Times

Having just turned 84, Time magazine is coming out with a new look and editorial approach on Friday. Read more..

By KATHARINE Q. SEELYE - The New York Times