The sale of Maple Leaf Sports and Entertainment took a step forward this week when the Ontario Teachers' Pension Plan bought out TD Bank's 13% stake.  FP's chief business correspondent Theresa Tedesco has the insider details on what happens next to the Leafs/Last week saw oil, silver and gold prices obliterated in a sudden commodity rout. This week, amid increasing price volatility, FP's mining reporter Peter Koven gives you a run down of why prices suddenly reversed and where they go next