This Magnificent Tech Stock Is Soaring After Joining the S&P 500. Should You Buy It?

Programmatic digital advertising provider The Trade Desk (NASDAQ: TTD) is the latest company to join the S&P 500 index, doing so on July 18. The addition explains why shares of the company shot up an impressive 6% on the day following the announcement that it would join.The spike isn't surprising; The Trade Desk's entry into the S&P 500 is a testament to the company's solid profitability and liquidity in the past four quarters. Moreover, the addition to the index has led to an increase in demand for a stock from passive investors and index funds because of a phenomenon called the "index effect."It is worth noting that The Trade Desk was selected to join the S&P 500 over popular names such as Robinhood Markets, AppLovin, Interactive Brokers, and others. It will be replacing Ansys in the index (Ansys was acquired by Synopsys). However, investors may now be wondering if it makes sense to buy The Trade Desk stock as it has shot up more than 59% in the space of just three months as of this writing.Continue readingWeiter zum vollständigen Artikel bei MotleyFool Weiter zum vollständigen Artikel bei MotleyFool