Stock futures fall as economy shrinks in November

(Reuters) - Stock futures pointed to a lower start for Canada's main stock index on Friday after GDP data showed economy unexpectedly shrank 0.2 percent in November. March futures on the S&P TSX index were down 0.56 percent at 8.45 a.m. ET.Canada's economy shrank on weaker manufacturing, mining and oil and gas extraction, Statistics Canada data indicated on Friday. Dow Jones Industrial Average e-mini futures were down 0.92 percent at 8.45 a.m. ET, while S&P 500 e-mini futures w