Stocks pushed off their session lows Thursday afternoon, but a number of leading stocks have triggered sell signals. The S&P 500 was off by 0.4%, while the Nasdaq fell 0.3%. They were off by as much as 1% and 1.2%, respectively. The Dow Jones industrial average fell 0.3%. Volume was tracking mixed in the stock market today. Nasdaq trading was running about 1% lower, while NYSE trade was tracking 3% higher.