Why Panera Bread, Tesaro, and Universal Corp. Jumped Today

The stock market was narrowly mixed on Wednesday, with the Dow Jones Industrials losing ground but the S&P 500 and Nasdaq Composite posting modest gains on the day. Earnings season has had positive effects on some stocks and negative ones on others, but the general uncertainty in the political realm and its potential impact on future economic growth continues to hold the market back from pushing further toward record-high territory.