Oil prices tumbled their most in three months on Monday, with U.S. crude falling 6 percent, after Greece's rejection of debt bailout terms and China's rolling out of emergency measures to support its stock markets shook global markets.

• July 6, 2015

Russian President Vladimir Putin must be finding it hard to contain a wry smile as the European Union struggles with Greece's debt problems.

• July 4, 2015

Iran and world powers continued marathon talks on Saturday in an attempt to clinch an historic nuclear accord but remained divided on issues such as lifting U.N. sanctions and development of advanced centrifuges.

• July 4, 2015

A senior U.S. official told China on Friday that its legal imports of ivory act as a loophole for illegal traders, and that it needs to understand the importance of wildlife NGOs.

• July 4, 2015

A senior U.S. official told China on Friday that its legal imports of ivory act as a loophole for illegal traders, and that it needs to understand the importance of wildlife NGOs.

• July 3, 2015

A year and half of nuclear talks between Iran and major powers were creeping toward the finish line on Friday as negotiators wrestled with sticking points including questions about Tehran's past atomic research.

• July 3, 2015

The euro zone's rescue fund, Greece's largest creditor, on Friday declared Athens in default on its euro zone loans after missing a payment to the IMF, and reserved the right to call in 130.9 billion euros in debt ahead of schedule.

• July 3, 2015

Dutch lender ING Group (ING.AS) is set to win the auction to buy HSBC's (HSBA.L) Turkish business, people familiar with the matter said on Thursday.

• July 2, 2015