The markets staged an impressive rally Thursday but closed on a worrisome note. The Dow Jones Industrial Average jumped 83.74, or 0.92%, to 9154.46, while the S&P 500 rose 11.60, or 1.19%, to 986.75. The Nasdaq rose 16.54, or 0.84%, to 1984.74. Erin Burnett , the moderator of CNBC's "Fast Money" TV show, said the markets hit new highs but showed some weaknesses at the close. Joe Terranova was worried about a significant reversal by many stocks that opened on 10-month highs but did not close... read more