We have stocks closing in the green for another week on the S&P 500 heat map. Below, we will look at the drivers behind this great weekly performance, and connect this to the long-term outlook.

The S&P 500 Index is expected to move 1% in either direction on Jan. 15, based on the cost of at-the-money puts and calls, according to Stuart Kaiser, Citigroup Inc.’s head of US equity trading ...