Alan F. Shugart was an engineer and entrepreneur whose career defined the modern computer disk drive industry. Read more..

By JOHN MARKOFF - The New York Times

Angelo R. Cali’s family-owned real estate development company merged with the Mack Company in 1997 to create one of the country’s largest real estate investment trusts. Read more..

By DENNIS HEVESI - The New York Times

The New York Times Company named James M. Follo, the former chief financial officer of Martha Stewart Living Omnimedia, as its chief financial officer. Read more..

By THE NEW YORK TIMES - The New York Times

The two inquiries are just the latest of several into the Interior Department’s Minerals Management Service and its collection of royalties for oil and gas. Read more..

By EDMUND L. ANDREWS - The New York Times

Robert Druskin, Citigroup’s new chief operating officer, said he aims to make a “leaner, thinner Citigroup” to win over frustrated investors. Read more..

By ERIC DASH - The New York Times

OPEC plans to reduce its output by nearly 2 percent in February, an indication that it wants to keep oil prices above $60 a barrel next year. Read more..

By JAD MOUAWAD - The New York Times

The suit accuses oil companies and gas stations of overcharging customers at the pump by failing to compensate for changes in gasoline volumes when temperatures rise. Read more..

By THE NEW YORK TIMES - The New York Times

A merger would help the United Auto Workers regain some of the influence it has lost as hundreds of thousands of factory jobs have been eliminated. Read more..

By NICK BUNKLEY - The New York Times

The French media conglomerate Vivendi is keeping its 20 percent stake in NBC Universal for now, an apparent vote of confidence in the ability of NBC TV’s chief, Jeff Zucker, to lift the network from the bottom of the ratings heap. Vivendi told NBC’s parent, General Electric, that it decided not to exercise its right next month to sell $3 billion worth of its NBC stake, which is valued at $8.3 billion. Read more..

By DEALBOOK - The New York Times

After suddenly calling off a lengthy ad agency search, Wal-Mart invited four of the five finalists to come pitch again. Three accepted. One walked away. Read more..

By STUART ELLIOTT - The New York Times