Another strong week for stocks drove companies including General Motors to become overbought, according to one popular technical metric. Other stocks are also considered oversold after a busy earnings week. Each of the leading U.S. stock indexes closed higher this past week. All three major averages closed at record highs Friday after cooler-than-expected September inflation data , with the S & P 500 rising above 6,800 for the first time and the 30-stock Dow Jones Industrial Average topping 47,000 for the first time. CNBC Pro screened the S & P 500 for the stocks that were the most overbought and oversold by the end of the week, using their 14-day relative strength index, or RSI. An RSI reading under 30 generally indicates a stock is oversold and may soon bounce back, while an RSI above 70

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