Decoding the S&P 500’s current standing The S&P 500, a stock market index that measures the stock performance of 500 large companies listed on stock exchanges in the United States, is currently trading at all-time highs…. Previous Article The Former Owner of the Los Angeles Dodgers Has a New Passion Project. Here's Why He's Fighting to Create a Safer Internet. Next Article 'Absolutely Brilliant Marketing': Dunkin's Latest Marketing Stunt Praised as 'Culturally Relevant' by Gen Z