Group 1: Robinhood - Robinhood's stock increased by over 15%, reaching a record high due to its upcoming inclusion in the S&P 500 on September 22 [1] - The trading platform experienced significant growth during the pandemic, with trading revenue nearly doubling from Q1 2020 to Q2 2020 as retail trading surged [3] - User base expanded from 11.7 million to 21.3 million between December 2020 and June 2021, driven by the meme-stock frenzy [4] - The company raised $2.1 billion in its July 2021 IPO, with projected revenue of $2.95 billion in 2024 [5] Group 2: AppLovin - AppLovin's market capitalization grew from approximately $13.5 billion at the end of 2023 to over $100 billion by December 2024, with revenue of $4.7 billion that year [6] Group 3: Emcor - Emcor provides industrial and energy infrastructure, focusing on AI data centers amid growing demand from Big Tech, with revenue of $14.57 billion in 2024 [7]