Mid-Day Market Update: Yelp Surges On Upbeat Results, AU Optronics Down

Midway through trading Thursday, the Dow traded up 0.71 percent to 14,806.01 while the NASDAQ surged 1.09 percent to 3,335.22. The S&P also rose, gaining 0.82 percent to 1,595.70. Index Technicals: The S&P 500 rejected its 1,597 highs and headed lower to test its 1,575 support which lies on the 20 EMA