Cybersecurity stocks like CrowdStrike (CRWD) and Palo Alto Networks (PANW) closed as the top performers in the S&P 500 (SPX). Meta Platforms (META) continued to inch toward all-time highs as Muse AI reaches 500,000 users. McDonald's (MCD) investor day didn't raise optimism among shareholders as the stock plunged to four-year lows. Sam Vadas takes investors through the top stories moving Wall Street this Wednesday.