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Earnings beats from McDonald's, Caterpillar pump life into stocks

Tech is no longer the star on Wall Street. The Dow Industrials and the S&P 500 look set to rally at the open as investors embrace strong earnings from Dow components Caterpillar (CAT) and McDonald’s (MCD).  However, a drop in shares of Alphabet (GOOGL) are weighing on the Nasdaq. Yahoo Finance’s Alexis Christoforous, Andy Serwer and Sean Smith report on the day’s top stories.