High-quality companies tend to create lots of value for their shareholders over the long term. Sometimes, that means their stock price soars into the hundreds or even thousands of dollars, which can make it difficult for retail investors to buy in.Companies can remedy that with a stock split, multiplying the number of shares they have in circulation while simultaneously reducing the stock price proportionately. For example, a 10-for-1 stock split would increase a company's share count tenfold, and reduce it ...