MARKET PULSE-Ciena, Barnes & Noble, Vera Bradley, BT, LRR Energy, Exone
June 6 (Reuters) - Some U.S. stocks on the move on Thursday:
S&P BRIEFLY FALLS BELOW 50-DAY MOVING AVERAGE
U.S. stocks extended declines on Thursday, sending the S&P 500 below its 50-day moving average, with technology stocks pulling the market lower.
The Dow Jones industrial average fell 0.58 percent, the Standard & Poor's 500 Index slipped 0.44 percent, the Nasdaq Composite Index dropped 0.48 percent.
** CIENA CORP, $18.65, up 14 pct (0939 ET)
** JDS UNIPHASE CORP, $13.87, up 6 pct (0939 ET) Continued...