IBT Staff Reporter

Apple Inc has blocked rival Sony Corp's electronic book application from the iPhone because it would have circumvented Apple's system for buying content.

Cisco estimates mobile traffic is headed upward and will be measured in exabytes per month.

Microcosm Publishing, a not-for-profit book publisher and distributor, started a campaign earlier this month with an unusual premise: Swapping unwanted Amazon Kindle's for offerings from its inventory.

U.S. aviation security authorities on Tuesday unveiled a new pilot program aimed at quelling an uproar about full-body scanners used to screen air travelers -- the new software will no longer produce an image of the actual person.

Two political scientists at Hebrew University in Israel say they have come up with a method of predicting the likelihood that a country will suffer civil unrest.

As large blizzard sweeps the through the central U.S., residents should be prepared to follow emergency instructions from local authorities, a federal official said.

Backed by a public outcry, Canadian opposition parties lined up on Tuesday to voice concerns about a regulatory decision that chokes off the ability of small independent Internet providers to offer unlimited downloading to their customers.

Speculation Britain's ARM Holdings Plc could become a takeover target is misguided and ignores the importance of the chip designer staying independent, ARM's president said.

WHAT: U.S. employment report for January

The Dow Jones Industrial Average and S&P 500 finished above 12,000 and 1,300 points, resepctively, for the first time since mid-2008.

The threat that rising input prices pose to corporate profit margins was highlighted again as a number of U.S. manufacturers, including Emerson Electric Co and Paccar Inc, reported quarterly earnings.

Egyptian President Hosni Mubarak vowed to step down at the next election, would stay on to enact reforms in the next few months, and said authorities would pursue those responsible for destructive acts and looting and violence during the protests.

France's Sanofi-Aventis has agreed to raise its bid for Genzyme Corp to the low $70s-per-share range, plus a milestone payment based on the performance of an experimental drug, a source familiar with the situation said.

The U.S. would be foolish not to support the formation of a new democracy in Egypt, says Rutgers University political science professor and Middle Eastern specialist, Eric Davis.

The Dow and S&P 500 closed at their highest levels since June 2008 on Tuesday and looked poised for more gains after strong earnings and signs of a surge in U.S. manufacturing.

The manufacturing sector grew at its fastest pace in nearly seven years in January and signs of inflation jumped more than expected as a recovery in the world's biggest economy gained traction.

Pfizer Inc is to close its research and development center in Sandwich, southern England, which employs 2,400 people, dealing a major blow to Britain's scientific jobs base.

The Dow and S&P 500 closed at their highest levels since June 2008 on Tuesday and looked poised for more gains after strong earnings and signs of a surge in U.S. manufacturing.

(Corrects that Pfizer bought Wyeth in late 2009, not last year, paragraph 8; error also occurred in previous updates)

Apple says it's enforcing a rule that could impact the Sony Reader and Kindle apps.

U.S. auto sales jumped by about 18 percent in January, led by gains for General Motors Co and Chrysler as the two Detroit automakers restructured by the U.S. government took share from rivals.

BP's partners in Russian joint venture TNK-BP on Tuesday won an injunction halting the British oil giant's planned Arctic exploration partnership with Rosneft .

Egyptian President Hosni Mubarak is expected to say he will step down at the next election while U.S. President Barack Obama has told him he should not run, according to reports.

The Optimus 3D, the first 3D-equipped phone, will be unveiled at this years Mobile World Congress, LG says.

U.S. stocks climbed on Tuesday on signs U.S. manufacturing surged and Pfizer Inc and UPS Inc posted strong results, sending indexes above key levels as market momentum strengthened.

Roughly 18,000 foreigners and Egyptians face food shortages and police corruption at Cairo airport.

The U.S. manufacturing sector grew at its fastest pace in nearly seven years in January and signs of inflation jumped more than expected as the world's biggest economy gained traction.

U.S. stocks, led by Pfizer and Bank of America, surge.

Procter & Gamble Co is consolidating its three global units into two as Vice Chairman Robert Steele prepares to retire later this year.