Quebecor Inc. is still publicly sitting on the fence when it comes to expanding its wireless service throughout Canada despite bidding $187 million on 2500 MHz spectrum, including for licences outside Quebec, in an auction for which results were announced Tuesday. After Telus Corp., Quebecor was the second-biggest spender in the auction, acquiring 18 licences in Quebec, Ontario, Alberta and British Columbia. Industry Canada said the purchases increased Quebecor's spectrum holdings by 28 per...