* TSX up 32.6 points, or 0.22 percent, to 14,617.59
* Seven of the TSX's 10 main groups were higher
TORONTO, Oct 17 (Reuters) - Canada's main stock index rose on Monday, led by gains for the materials group and for Rogers Communications Inc RCIb.TO after it named a new chief executive officer, while financials and energy also gained ground.
The Chief Executive of Rogers, Guy Laurence, is stepping down effective immediately and will be replaced by former Telus Corp T.TO executive Joe Natale as soon as possible, the Canadian telecom company said. The surprise move came as Rogers also posted a sharp fall in net income after it shut down the streaming television joint venture Shomi. shares rose 1.4 percent to C$55.11, while the overall telecoms group firmed 0.3 percent.
The materials group, which includes precious and base metals miners and fertilizer companies, added 0.7 percent.
Teck Resources Ltd TCKb.TO rose 4 percent to C$25.65, while Barrick Gold Corp ABX.TO was up 0.8 percent at C$20.77.
Spot gold XAU= firmed 0.4 percent as the U.S. dollar dipped after reaching an earlier 7-month high. 10:46 a.m. EDT (1446 GMT), the Toronto Stock Exchange's S&P/TSX composite index .GSPTSE rose 32.6 points, or 0.22 percent, to 14,617.59.
Seven of the index's 10 main groups were higher.
The financials group firmed 0.2 percent, while energy was up 0.1 percent despite lower oil prices.
U.S. crude CLc1 prices were down 1.0 percent at $49.85 a barrel as oversupply concerns weighed. National Railway Co CNR.TO fell 0.4 percent to C$86.83, while Valeant Pharmaceutical International Inc VRX.TO was down 1.9 percent at C$28.58.
Foreign investment in Canadian securities in August rose to C$12.74 billion from C$9.10 billion in July. Foreigners invested C$2.60 billion in stocks and C$1.17 billion in corporate paper.