A rally in crude oil gave rise to the energy sector in a mixed day of trading. The Dow Jones Industrial Average ended lower for its ninth session in ten, while the S&P500 and Nasdaq logged gains. Amazon (AMZN) - Get Report climbed on the news it would add 1,000 full-time jobs at a new fulfillment center in Virginia. The e-commerce company already employs 3,500 full-time positions at three sites in the state. Alphabet (GOOGL) - Get Report was higher after being initiated with an OVERWEIGHT rating at Barclays. Analysts believe the company can generate 20% annual sales and earnings growth over the next few years. Vertex Pharmaceuticals (VRTX) - Get Report rallied after releasing positive trial results for its cystic fibrosis treatment. Two clinical studies showed successful efficacy and safety data that also improves the performance of Vertex's existing drugs.