The Globe and Mail reports in its Tuesday edition that Canada's main stock index fell on Monday, reversing course after hitting another record high earlier in the day, as investors booked profits amid surging commodity prices. A Reuters dispatch to The Globe says major U.S. indexes, however, managed to hold on to most of their gains and ended higher. The S&P/TSX Composite Index edged down 51.66 points at 33,093.32. It earlier hit a record high of 33,428.44. Bombardier was the biggest loser on the index, falling 9.3 per cent. A twin-engine Bombardier jet crashed on Sunday while taking off from a Maine airport with eight aboard. Surging prices of precious metals powered mining shares, outweighing trade uncertainty sparked by U.S. President Donald Trump's threat to impose 100-per-cent tariffs on Canada. Gold miners climbed 0.9 per cent in Toronto, as gold gained after briefly moving past $5,100 an ounce. Silver extended its record run, while copper prices also gained. "The commodities ... are starting to look a little overbought. We've had a really good run for the last few months, and we're starting to see a little bit of profit taking," said Greg Taylor, chief investment officer at PenderFund Capital Management.