Strong earnings boosted the artificial intelligence trade and sent stocks higher on Friday, but some stocks could soon head for a selloff, according to one technical yardstick. As of Friday, about 63% of companies in the S & P 500 had reported their latest earnings. Of these, nearly 83% had posted an upside earnings surprise, while 79% of reported revenue numbers beat Wall Street forecasts. The positive third-quarter earnings season sent all three major averages higher for the week, with the S & P 500 gaining 0.71% and the Dow Jones Industrial Average rising 0.75%. The tech-heavy Nasdaq Composite was the outlier, popping 2.24% on the week. CNBC Pro used its stock screener tool to identify the most overbought stocks on Wall Street as measured by their 14-day relative strength index, or RSI.

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