CANADA STOCKS-TSX opens flat as energy helps offset material stocks' drop

March 28 (Reuters) - Canada's main stock index opened little changed on Wednesday, as gains in the energy sector offset weakness in materials stocks.

* At 9:34 a.m. ET (1334 GMT), the Toronto Stock Exchange's S&P/TSX Composite Index fell 9.2 points, or 0.06 percent, to 15,206.98. (Reporting by Medha Singh in Bengaluru; Editing by Savio D'Souza)