New York stocks saw massive gains in the midweek session with the Dow enjoying its biggest one-day point gain since 2008 while the S & P 500 rose the most since 2011.
The Dow Jones industrial average added 619 points to 16,286 while the TSX composite index rose 231 points to 13,382. The Nasdaq shot up 191 points to 4,698.
On commodity markets, benchmark October oil contract settled down 71 cents at US$38.60 a barrel, while October natural gas was unchanged at US$2.70 per thousand cubic feet.
September copper fell seven cents to US$2.25 a pound while December gold lost $13.70 to US$1,124.60 an ounce.
The Canadian dollar, which hit 11-year lows on Tuesday, was up 0.13 of a U.S. cent at 75.06 cents US.
With files from The Canadian Press
