What's been the most important driver behind the continued bull market? A good case can be made that it's artificial intelligence (AI). Each member of the so-called "Magnificent Seven" stocks is heavily focused on AI.

Nvidia stock has been one of the biggest winners of the artificial intelligence (AI) revolution in the past couple of years, clocking remarkable gains of nearly 800% over the past two years on account of the red-hot demand for its data center graphics cards,

Shares of ServiceNow have gained more than 4,000% since the company went public, and the stock is now hovering near an all-time high.

Stock splits, which occur when a company divides its existing shares into multiple shares, effectively increasing the outstanding shares while maintaining the same market capitalization, have been all the rage on Wall Street over the past few years,