The shares of O'Reilly's biggest competitor have climbed by more than 14,000% since its public debut in 1991. Over the past three years, no innovation has captivated the attention of investors quite like the rise of artificial intelligence (AI). However, this is far from the only trend that's helped lift Wall Street's major stock indexes to new heights. Enthusiasm surrounding stock splits in some of the market's most-influential businesses is another catalyst responsible for boosting equity valuations. A st ...