ETF managers, bringing in historic levels of cash, still preparing for a bear
As dollars in funds top $2 trillion, managers ready exotic products for a new market environment.
Even as U.S. stocks notched their sixth straight year in the black in 2014, investors weren't the only ones to ask when the music would stop.
ETF managers, whose mostly index-tracking products will follow the market down just as they followed it up, also worried.
Last year, plain-vanilla funds such
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