The Dow crosses 14,300 for the first time ever as the U.S. economy shows little sign of backtracking. Blue chips couldn't hold that level so settle with a record close just below that round number. After struggling for most of the session, the S&P 500 and the Nasdaq finished mixed. Market gains are leading some analysts to predict a coming pullback. Portfolio manager David Giroux of T. Rowe Price says it's getting harder to find stuff to buy without over paying.