UNITED STATES

Tenet Healthcare Corp's board rejected the latest $3.3 billion offer from Community Health Systems , saying the price grossly undervalues the company.

President Barack Obama said Thursday that bringing change had been more difficult than a lot of us expected, after a group donors interrupted a campaign speech to protest in song the detention of the soldier that allegedly released a trove of government cables which eventually were obtained and disseminated by Wikileaks.

Greenpeace says a number of tech giants have dirty data centers, which consume large amounts of energy from non-renewable sources.

Samsung Electronics Co has filed patent lawsuits against Apple over the U.S. firm's iPhone and iPad in a tit-for-tat case after Apple claimed Samsung's smartphones and tablets slavishly copied its products.

Navy Admiral Mike Mullen, chairman of the U.S. Joint Chiefs of Staff, has warned that the civil war in Libya is moving towards stalemate, while conceding that air strikes by NATO and the U.S. have destroyed 30 percent to 40 percent of Moammar Gaddafi's ground forces.

Verizon Communications Inc gained wireless subscribers with Apple Inc's iPhone, but the effect on its financials failed to impress investors, who sent its shares down 2.3 percent.

U.S. Sen. John McCain - a strong proponent of additional U.S. military action in Libya - visited rebels in the city of Benghazi on Friday, calling them his 'heroes.'

Shares of Yum! Brands, Inc. (NYSE: YUM) touched a new life-time high of $54.98 on Thursday. The company's first quarter revenue exceeded Street view boosted by growth in China, which helped offset weakness in its U.S. operations.

U.S. stocks advanced on Thursday as robust earnings from Apple, Morgan Stanley and General Electric lifted the market, but weaker-than- expected reports on jobless claims and Philadelphia Fed Manufacturing Index kept gains in check.

Toyota Motor Sales on Thursday said that it intends to conduct a voluntary Safety Recall of 300,000 sport utility vehicles in the United States to fix faulty airbag sensors.

Nissan Leaf he 100-percent electric, zero-emission was named 2011 World Car of the Year, edging out the BMW 5-Series and the Audi A8 for the top spot, the carmaker said in a statement.

From family travel spots, a Jurassic forest, recreational activities to the cultural and historical tour, Ohio in the United States has a lot more to offer to attract tourists in 2011.

Samsung Electronics Co has filed patent lawsuits against Apple over the U.S. firm's iPhone and iPad in a tit-for-tat case after Apple claimed Samsung's smartphones and tablets slavishly copied its products.

Shares of Penn National Gaming Inc. (NASDAQ: PENN) touched a new 2-year high of $40.45 on Thursday. The company's first quarter earnings and revenue exceeded Street view as its casinos saw a growth in business, and it raised outlook for the year.

The organic industry grew at a rate of nearly eight percent in 2010, bucking the current trend whereby flat is the new growth for many other segments of the economy, the Organic Trade Association (OTA) said.

The dollar hovered around three-year lows on Friday and looked set to come under further pressure next week, while a stronger yen weighed on Tokyo stocks in holiday-thinned Good Friday trade.

John Ensign, Republican Senator from Nevada, announced his resignation on Thursday following investigations into a sex and corruption scandal. Here are some facts about Ensign’s political career, personal life, extramarital affair and the corruption scandal.

Shares of TradeStation Group Inc. (NASDAQ: TRAD) touched a new 2-year high of $9.70 on Thursday. Japanese online brokerage Monex Group said Wednesday it agreed to acquire U.S. peer TradeStation for about $411 million to gain a foothold in the world's largest equities market.

The happiest countries and happiest U.S. states tend to have unusually high rates of suicide, a new research suggests.

The top after-market NASDAQ Stock Market gainers are: Polycom, Mentor Graphics, ZST Digital Networks, EZCORP, and Stein Mart. The top after-market NASDAQ Stock Market losers are: Radio One, Asia Entertainment & Resources, Pool Corp., Penn National Gaming, Universal Display, Cymer, and Rambus.

US Treasuries are called the “risk-free assets” of the financial world. However, the moniker of “risk-free asset” may actually belong to another country.