In the latest look at the underlying components of the S&P 500 ordered by largest market capitalization, Truist Financial Corp (TFC) has taken over the #166 spot from Hilton Worldwide Holdings Inc (HLT), according to The Online Investor. Click here to find out the top S&P 500 components ordered by average analyst rating » Market capitalization is an important data point for investors to keep an eye on, for various reasons..