The S&P 500 and Dow ended at record highs on Tuesday, shrugging off weak consumer confidence data, as mining stocks surged following China's announcement of a sweeping stimulus package. The indexes initially trimmed gains after a report from the Conference Board revealed an unexpected decline in U.

In the U.S., the month of September is associated with a lot of things, including the start of school and, perhaps more important, football season. It’s also known for being a particularly brutal month for the stock market.