Greek stocks bashed on return, China woes hurt commodities

Weak data from China helped push oil prices to their lowest in six months on Monday, knocking the Canadian dollar, and sent Asian stocks close to their 2015 lows. The S&P 500 , Dow Jones Industrial and Nazdaq markets all looked set to open little changed [.N], shrugging off the troubles of Greece whose stock market slumped as it reopened after being shut for five weeks. Data overnight showed China's factory activity contracted by the most in two years, feeding a three-month-old sell-off