Stocks added to their win streak Friday as the Nasdaq chalked up a fifth straight gain and the S&P 500 rose a third consecutive session. The Nasdaq popped 0.7%, while the S&P 500 and the Dow Jones industrial average inched up 0.2% and 0.1% respectively. The IBD 50 fell 1%. Volume was higher on the Nasdaq but lower on the NYSE. Action on Friday showed some contradictions.