TSX falls as earnings reports fail to impress

By Alastair Sharp TORONTO (Reuters) - Canada's main stock index fell on Thursday as investors, positioning their portfolios at the end of the month, appeared less than impressed by a host of quarterly results. Still, the Toronto Stock Exchange's S&P/TSX composite index rose 2.2 percent in April. "The TSX, like other global markets, is hitting some resistance levels," said Youssef Zohny, portfolio manager at StennerZohny Investment Partners+. Investors took a handful of le