The boom in exchange-traded funds ran smack into the implosion of the global financial markets.There are now 721 ETFs with $478 billion in assets, according to the Investment Company Institute. Although that's more than three times as many funds

Determining the best industries to invest in for 2009—and the ones to avoid—requires keeping an open mind about what's considered bad or good.You could, for example, employ the "bird in the hand" philosophy to select industries that in