IBT Staff Reporter

U.S. regulators are investigating major U.S. movie studios' dealings with China as the entertainment companies try to get a greater foothold in one of the fastest-growing movie markets in the world.

The Dow and the S&P 500 rose on Tuesday after strong earnings from big manufacturers and AT&T, but the Nasdaq fell with Apple and other large-cap tech companies.

Apple Inc infringed on a Motorola Mobility Holdings Inc patent in making its popular iPhones, iPads and other products, a judge for the International Trade Commission ruled on Tuesday.

Two months before Argentina's president seized control of the country's biggest oil firm from Repsol , the Spanish company said it would cost $25 billion a year to develop a world-class shale find in Patagonia.

LG Electronics will steal a march on its rivals by bringing forward the launch of a 55-inch flat TV using next-generation technology, raising the stakes in a cut-throat battle for the living room between Asia's top tech powerhouses.

Wal-Mart Stores Inc said on Tuesday that it has created a new global position to oversee compliance with a U.S. law that forbids bribes to foreign officials as it grapples with a bribery scandal that has led to more than $10 billion being cut from its market value.

Wal-Mart Stores Inc said on Tuesday that it has created a new global position to oversee compliance with a U.S. law that forbids bribes to foreign officials.

AT&T Inc reported a higher-than-expected quarterly profit on Tuesday, sending its stock up as much as 4 percent, as a decline in iPhone sales reduced the amount of cash it had to pay Apple Inc and boosted its margins.

The futures regulator has the power to go after top executives who aid and abet violations by their companies, said Jill Sommers, who is heading up the Commodity Futures Trading Commission's probe into bankrupt brokerage MF Global.

Google Executive Chairman Eric Schmidt said in court on Tuesday that he could not recall being told in 2005 that the company needed a license from Sun Microsystems to use the Java programming language.

The housing market is seeing hints of stabilization, with February home prices rising for the first time in 10 months, according to a survey on Tuesday, while a measure of consumer confidence last month fell more than expected.

Mexican President Felipe Calderon on Tuesday gave an impassioned defense of free trade as Mexico waits for the United States and others to decide whether it will be allowed to join talks on a trade pact in the Asia-Pacific region.

General Electric Co Chief Executive Jeff Immelt said people may be disappointed in the adoption of the electric vehicle but his company will continue investing in battery technology to reflect its confidence in an eventual uptick.

Stocks rose on Tuesday after strong earnings from big manufacturers and AT&T, but gains were capped on Nasdaq ahead of results from Apple and after a downbeat forecast from Netflix.

China is still friendly with North Korea, despite the latter being roundly condemned by the international community. History plays a role, but Beijing is getting something out of it too - just how much, though, remains to be seen.

Consumer confidence edged slightly lower in April, while Americans also reined in their inflation expectations after a surge in the previous month, according to a private sector report released on Tuesday.

Single-family home prices rose for the first time in 10 months, in an encouraging sign the battered sector is starting to stabilize, a closely watched survey said on Tuesday.

The housing market is seeing hints of stabilization even as it struggles to gain traction, data showed on Tuesday, as home prices rose for the first time in 10 months in February while sales dropped in March.

New single-family home sales dropped in March to their lowest level in four months, but the reading still beat analysts' expectations as the government said sales in prior months were higher than initially thought.

AT&T Inc reported a higher-than-expected quarterly profit on Tuesday as iPhone sales declined, reducing the amount of cash it had to pay Apple Inc and boosting its margins.

Wall Street edged higher at the open on Tuesday although continued concerns about Europe's debt crisis capped gains as earnings from AT&T and 3M boosted the Dow.

Fitch Ratings upgraded Ford Motor Co to investment grade on Tuesday, marking a key step that brings the second-largest U.S. automaker closer to reclaiming its Blue Oval trademark.

Wall Street was set to struggle at the open on Tuesday after sharp losses in the previous session and on continued concerns about Europe's debt crisis.

AT&T Inc reported a higher-than-expected quarterly profit as iPhone sales declined, reducing the amount of cash it had to pay Apple Inc and boosting its margins.

Stock index futures crept higher on Tuesday after sharp losses in the previous session but continued concerns about Europe's debt crisis could mean gains are short lived.

Stock index futures crept higher on Tuesday after sharp losses in the previous session but continued concerns about Europe's debt crisis could mean gains will be slight.

3M Co reported an increase in quarterly profit and slightly lifted its full-year outlook on Tuesday, exceeding analyst expectations even as the closely watched display and graphics business continued to struggle and Asia sales declined.

PSA Peugeot Citroen said it may build cars in India with General Motors , its new global alliance partner, effectively scrapping a planned 650 million euro ($850 million) investment in its own factory.

Hershey Co posted a higher-than-expected first-quarter profit on Tuesday, helped by price increases, and raised its full-year outlook, sending the candy maker's shares up more than 3 percent.