The Dow Jones industrial average, powered higher all year by optimism that the economic recovery is real, crossed 13,000 on Tuesday for the first time since May 2008 -- closing at 12,965.69, the Washington Post reports. In a market built on perception, passing this threshold could influence investors to pump more money back into the stock market, analysts said. "You need notches along the way to measure things, and that's as good as any," said John Manley of Wells Fargo's funds group. "Is 50 older than 49 and a half? Yes, by six months. Do those six months really make a difference? Probably not. But it does give us a fixed point, something we can look at."
