
United States shares closed lower on Tuesday as global stock markets stalled on niggling worries over European debt problems. On Wall Street, the Dow Jones index closed down 0.34% following a turbulent day's trading, and a nearly 4% rise on Monday.

Companies in the United States added 290,000 jobs in April, mostly in the private sector, the United States Department of Labor said Friday, a strong sign that the job market has begun recovering from last year's damaging recession.

United States regulators and stock exchanges are searching for answers after what is believed to be an electronic trading error set off a heart-stopping plunge in markets that rivalled the crash of 1987.

United States big banks should be charged a fee to pay for bailouts as it will make them less prone to reckless lending, US Treasury Secretary Timothy Geithner told lawmakers as he sought support for the proposal.

United States officials have announced a ban on fishing for at least ten days in waters off Louisiana spanning to parts of the Florida panhandle as the oil slick from a leak spreads across the Gulf of Mexico. Rough weather conditions are complicating crews’ efforts to contain the oil slick.

Two US-based airlines, United (NASDAQ: UAUA) and Continental (NYSE: CAL) are merging in a 3.1 billion deal, creating the world's largest airline. The combined firm will have nearly 700 planes, 88,000 workers, and fly to 370 destinations in 59 nations.

Tens of thousand of demonstrators marched in over 70 cities across the United States Saturday to protest a new immigration law in the state of Arizona. The law is aimed at those who have entered the country illegally, but critics say it will lead to ethnic profiling of Arizona's Hispanics.

State of Florida Governor Charlie Crist declared on Friday a state of emergency in coastal counties because of the threat from the oil spill in the Gulf of Mexico.

The United States immigrant community will be taking to the streets on Saturday May first—International Workers' Day—in 70 cities to demand migration reform and to protest an Arizona law which criminalizes illegal immigration.

The lab production of meat without the need of slaughtering animals is no longer science fiction and could be producing “green” hamburgers in less than ten years according to the list of Time Magazine fifty main inventions of the year.