America's largest technology companies -- specifically, those in the "Magnificent Seven" -- make up almost 30% of the total value of the S 500, so changes in their stock prices can have a major impact on the broad market index.

All eyes are on those giants right now because they are reporting their financial results for the quarter that ended Sept. 30. Google parent Alphabet (NASDAQ: GOOGL)(NASDAQ: GOOG) is one of the standouts so far, but not in a good way.

Since Alphabet released its results on Oct. 24, its stock price has fallen by 12% as investors digested a slowdown in growth in the company's cloud computing segment, which is home to many of its artificial intelligence (AI) initiatives. But I think that decline creates a spectacular long-term opportunity for investors.

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Source Fool.com