Software stocks are leading the tech sector, and broader market, in a strong start to 2019. The XSW S&P software and services ETF has surged 7 percent in the past two weeks, better than the 3 percent gain on the XLK tech ETFand 4 percent advance on the S&P 500. Ari Wald, head of technical analysis at Oppenheimer, says it makes sense to ... Read More »