President Barack Obama says the big trading loss at JPMorgan Chase shows the need to finally put in place banking rules he signed into law two years ago. He also is calling on Congress to stop trying to weaken the regulations.

CAMP DAVID, Maryland (Reuters) - U.S. President Barack Obama pledged at a summit on Saturday to work with Europe on a package that balances growth with debt reduction as world leaders try to prevent the worsening euro zone crisis from destabilizing the global economy. At the wooded Camp David retreat in Maryland's Catoctin Mountains, Obama and leaders from other major economic powers are seeking ways to soothe financial markets after worries about Spain's banking problems and the risk of a Greek exit from the euro zone sent world stocks to their lowest levels this year. ...

President Barack Obama says he and leaders of seven other major industrial nations are focusing on economic concerns during discussions at Camp David.

BEIJING (Reuters) - China allowed a blind legal activist, Chen Guangcheng, to leave a hospital in Beijing on Saturday and board a plane bound for the United States, a move that could signal the end of a diplomatic standoff between the two countries. Chen's escape from house arrest in northeastern China last month and subsequent stay in the U.S. embassy caused huge embarrassment for China and led to a diplomatic rift while U.S. Secretary of State Hillary Clinton was visiting Beijing for talks to improve ties between the world's two biggest economies. The U.S. ...