Stock splits increase a company's share count and reduce its share price, making the stock more affordable. Stock splits are only necessary after substantial and lasting share price appreciation, which rarely happens without solid financials and some type of competitive advantage.
Earnings season can be a great time to scoop up shares of great stocks for the long term, especially when short-term traders sell off a stock based on a slight disappointment, either real or perceived. Alphabet is the parent company to Google, the world's dominant search engine, as well as an extensive third-party ad network, and YouTube, the largest internet streaming video platform. Meanwhile, the Trade Desk is the leading buy-side programmatic digital advertising platform.
Perhaps these businesses will stop growing at some point. But that possibility is so far in the future that investors today need not fret.