BMO has lauched 9 new ETFs this week, including some novelties, and two commodity-related ETFs (oil and base metals).Gilles Ouellette, head of BMO's wealth management business said about ETFs: ???it is a product where the margins are quite slim, so I do not think there is room for everybody.ETFs have relatively low profit margins for a bank, but because they are so popular as investors dump the outra