Lockheed Martin Corp (LMT.N) said Monday it would buy Sikorsky Aircraft, the helicopter unit of United Technologies Corp (UTX.N), for $9 billion, and would review the possible sale or spinoff of $6 billion in other information technology and services businesses.

Oil dropped on Monday as signs of a growing glut in refined products outweighed a fall in Saudi crude exports and slower U.S. rig activity.

A report claiming that Twitter Inc (TWTR.N) received an offer to be acquired for $31 billion attributed to Bloomberg LP is fake, Twitter and a spokesman for the news and financial data provider said on Tuesday.

U.S. retail sales unexpectedly fell in June as households cut back on purchases of automobiles and a range of other goods, raising concerns the economy was slowing again.

Delta Air Lines Inc (DAL.N) has offered to invest in Japan's bankrupt Skymark Airlines Inc (SKALF.PK) as part of a restructuring plan for the budget carrier, according to a Japanese media report.

Oil and gas producer WPX Energy Inc (WPX.N) said it would acquire privately held RKI Exploration & Production LLC [REPI.UL] for $2.35 billion, the latest in a series of deals brought on by a steep drop in crude prices.

European Union reform of the securitized debt market to help to revive the region's economy is likely to be binding on member countries to speed up change, a senior official from the bloc's executive body said on Tuesday.

Oil dropped on Tuesday after Iran and six global powers reached a landmark nuclear deal that would see an easing of sanctions against Tehran and a gradual increase in its oil exports.

BlackBerry Ltd (BB.TO), which has been coy about its ambitions to make a mainstream Android smartphone, fueled more speculation about its plans this week when it scooped up two Android-related domain names.

U.S. insurance regulators and state attorneys general are lining up to scrutinize Aetna Inc's proposed $33 billion takeover of rival Humana Inc for potential harm to consumers, complicating what is already expected to be a tough and lengthy review by federal antitrust authorities.

U.S. stocks closed broadly higher on Friday, with major indexes ending up more than 1 percent on hopes Greece would be able to secure fresh funding at an upcoming meeting, which would allow it to avert bankruptcy and remain in the euro zone.

China's securities regulator took the drastic step of ordering shareholders with stakes of more than 5 percent from selling shares for the next six months in a bid to halt a plunge in stock prices that is starting to roil global financial markets.

U.S. crude futures fell more than 1 percent on Wednesday after a surprise build in stockpiles while gasoline rallied on bets for strong fuel demand through the peak summer driving season.

The New York Stock Exchange was forced to suspend trading for several hours on Wednesday in the biggest outage to hit a U.S. financial market in nearly two years, unnerving investors already rattled by the meltdown in Chinese stocks and the Greek debt crisis.

Metals company Alcoa Inc reported a quarterly profit that missed expectations due to plunging primary aluminum prices on Wednesday, but revenues topped estimates on an ongoing drive to reduce reliance on the company's legacy commodity business.

U.S. stocks ended sharply lower on Wednesday as market turmoil in China eclipsed Greece's debt crisis, while the New York Stock Exchange suffered a major outage.

Facebook Inc announced plans on Tuesday to build a new data center in Fort Worth, Texas, its fourth in the United States and fifth overall.

Puerto Rico is not intending to cut principal payments to bondholders but to renegotiate debt terms, and officials are set to meet creditors on Monday at the offices of Citi, the head of the island's Government Development Bank Melba Acosta told reporters on Tuesday.

U.S. crude oil futures steadied on Tuesday after falling sharply a day earlier on worries about Greece's indebtedness and China's stock market losses, although charts indicated renewed selling could push prices into bear market territory.

Oracle Corp (ORCL.N) said its copyright infringement lawsuit against software support services company Rimini Street Inc and the smaller rival's Chief Executive Seth Ravin would go to trial in September.

U.S. stocks ended higher after a choppy session on Tuesday, as a rebound in U.S. oil prices helped offset concerns about a slowdown in China and the Greek debt crisis.

The Australian state of New South Wales has proposed changing its mining approval process to give greater consideration to environmental concerns, potentially threatening a colliery expansion planned by mining giant Rio Tinto Ltd.

China's stock market rout is injecting new stress into the already ravaged global commodity sector, with prices of copper, coal, natural gas and iron ore all falling back toward their 2015 lows. Analysts say the worst is yet to come as the stronger performers - solar and oil - are now also struggling.

When it comes to dashboard displays that are more like smart phones, two things are clear: Customers want them, and automakers are intent on supplying them.

Chipmaker Advanced Micro Devices Inc lowered its revenue estimate for the second quarter, below analysts' average estimate, saying the demand for personal computers was weaker-than-expected.

Teva Pharmaceutical Industries Ltd (TEVA.TA) is preparing to raise its bid for rival drugmaker Mylan NV (MYL.O) by as much as $2 billion, to $43 billion, Bloomberg reported on Monday, citing people familiar with the matter.

A dozen of the largest Wall Street banks on Monday published detailed plans to show how they would shut down their business during a crisis without the help of taxpayer money, a crucial step to prevent being broken up by regulators.

U.S. stocks fell in a volatile Monday session as Greeks resoundingly backed their government in rejecting the austerity terms of a bailout and China implemented emergency measures to stop a selloff in Shanghai's market.

Oil prices suffered their biggest selloff in five months on Monday, falling as much as 8 percent as Greece's rejection of debt bailout terms and China's stock market woes set off a deepening spiral of losses.

Honda Motor Co's (7267.T) new chief executive said the Japanese automaker has no plans for now to provide financial aid to Takata Corp (7312.T), the air bag supplier at the center of a costly global safety recall that has dented Honda's public image as well as its earnings.