BUSINESS

Time to Worry About Stock Market Bubbles

Trader F. Hill Creekmore works on the floor of the New York Stock Exchange, Tuesday, April 22, 2014. Stock futures edged high
Trader F. Hill Creekmore works on the floor of the New York Stock Exchange, Tuesday, April 22, 2014. Stock futures edged higher as more companies reported first quarter earnings. (AP Photo/Richard Drew)

With relatively little fanfare, the stock market has become expensive again.

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