Japanese Finance Minister Aso spoke overnight, stating that the government would intervene in currency markets when gains or losses in the yen become excessive. The People's Bank of China released a statement overnight saying that current inflation levels are are stable and that the PBOC will use various policy tools to drive credit growth. Nokia (NYSE: NOK ) shares fell 2.5 percent as the company reached a deal with Blackberry maker Research In Motion (NASDAQ: RIMM ) to license some patents.