U.S. stocks opened weaker on Monday as a slide in oil prices once again hit energy companies. A flurry of deal activity in the pharmaceutical industry was not enough to lift the market. Housing and manufacturing data at 10 a.m. Eastern, might give investors direction. The S&P 500 opened 5 points, or 0.2%, lower at 2,104.94. The Dow Jones Industrial Average began the session down 85 points, or 0.5%, to 18,057.44. The Nasdaq Composite was off by 4 points, or 0.1%, at 4,950.
Copyright © 2015 MarketWatch, Inc.
Continue Reading Below