For the last 19 months, Wall Street has been a stomping ground for the bulls. All three major stock indexes have recently galloped to fresh record-closing highs, with opportunistic investors pouncing on any notable pullbacks.

While hot trends like artificial intelligence (AI) and stock splits have been widely credited with pushing the stock market to new heights, it's the "Magnificent Seven" stocks that have done the majority of the heavy lifting.

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Source Fool.com