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(Iuliya Sunagatova/Iuliya Sunagatova/iStockphoto)

Watch out for ETFs during index rebalancing

Commodity traders learned the hard way that you can’t forget about the power of exchange traded funds.

The same goes for index rebalancing.

As every portfolio manager knows, every three months the S&P/TSX Composite Index and the S&P/TSX 60 Index are adjusted to get rid of companies that no longer fit the indices’ criteria, and add those that do. For most quarters, including the current one, the rebalancing is treated as a rather blasé affair because so little changes. (The coming rebalancing takes place on Friday.)