[Chart courtesy of MarketWatch.com] 1. Moving the Markets U.S. stocks dropped on Monday with the Dow stumbling more than 100 points. The S&P 500 retreated more than 0.8% and the Nasdaq gave back more than 0.7%. Falling oil prices were the culprit that dragged down the energy sector. U.S. crude fell more than 4% to close the day at $63.05 …