Futures flat after hawkish comments from Fed

August 29 (Reuters) - Stock futures pointed to a flat opening for Canada's main stock index on Monday as investors assessed hawkish comments from senior U.S. Federal Reserve officials that indicated a U.S. interest rate hike was on the cards in the near term. Fed Chair Janet Yellen told a global monetary policy conference on Friday that the case for a rate increase had grown stronger, while Fed Vice Chair Stanley Fischer suggested a move could come at the central bank's September policy meeting