Feb 28 (Reuters) - Canada's main stock index was steady on Wednesday as gains in technology shares were offset by a drop in Valeant Pharmaceuticals after it gave a weaker-than-expected revenue forecast.
* At 10:21 a.m. ET (15:21 GMT), the Toronto Stock Exchange's S&P/TSX composite index was off 13.19 points, or 0.08 percent, at 15,657.96.
* Valeant was the biggest drag on the index, down 10.9 percent at C$21.16 after the drugmaker gave a disappointing outlook for 2018 with several of its major drugs facing more competition from generics.
* Resource companies gave up early gains with the energy group off 0.2 percent, including Suncor Energy , which fell 0.2 percent to C$43.53.
* The technology sector was up 0.6 percent, helping to temper declines. Among advancing shares, CGI Group rose 0.7 percent to C$75.44, while Shopify Inc rose 1.6 percent to C$178.9.
* The TSX posted five new 52-week highs and five new lows. Across all Canadian issues there were nine new 52-week highs and 11 new lows.
* Aurora Cannabis was among the most actively traded stocks by volume, gaining 5.1 percent to $10.39. Volume on the TSX index was 33.53 million shares.
Reporting by Leah Schnurr in Ottawa Editing by Susan Thomas