CANADA STOCKS-TSX lifted by U.S. data; Cenovus Energy climbs

By Leah Schnurr TORONTO, July 30 (Reuters) - Canada's main stock index rose on Wednesday, helped by data that showed the U.S. economy grew more than expected in the second quarter, while shares of Cenovus Energy gained after its profit more than tripled. The U.S. economy bounced back in the second quarter with growth of 4 percent, recovering from a decline in the first three months of the year. While Canadian economic growth has been lackluster, a stronger recovery in the United S