WILLIAMSTOWN, Mass. ( TheStreet) -- The two recent controversies over "long" and "short" ETFs and commodities ETFs are not unrelated. Investors must understand the connection between the two controversies to fully understand why these funds must be approached with caution.First, a little history. ETFs entered the scene as transparent, low-cost and passive investment vehicles. Even before Bernie Madoff, investors wanted transparent alternatives to mutual funds that helped to mitigate the risk of investing in any single security.
Futures ETFs Under Fire
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