After 2014's party, investors in U.S. stock market may face a hangover

(Reuters) - Revelers ringing in of the new year this week need to watch out for the next day's hangover. And investors may experience a similar feeling early in 2015 after a two-year run that has propelled U.S. stocks up by nearly 50 percent.

from Combined News for Reuters & Al Jazeera copy http://feeds.reuters.com/~r/reuters/topNews/~3/Hs1h5MPN4hE/story01.htm