"There's been a lot of under-investment in actual mines over the years ... Maybe this is the time we'll actually see some pick-up." At 11:07 a.m. ET, the Toronto Stock Exchange's S&P/TSX composite index was up 45.51 points, or 0.29 percent, at 15,766.51. Six of the index's 10 key sectors advanced. The energy group climbed 0.