Group 1 - Investors show significant interest in companies that have recently conducted stock splits, which allow alterations in share price and count without affecting market capitalization and equity value [1][2] - Stock splits typically occur after a strong performance of the stock, making shares more affordable for retail investors, while only increasing the number of shares outstanding without changing market value [2][3] - Companies joining the S&P 500 Index attract attention as index funds are required to purchase the stock, leading to increased investor interest, particularly for stocks that have performed exceptionally well [3][9] Group 2 - Online brokers, such as Interactive Brokers, are becoming integral to the fintech ecosystem, catering to a diverse audience including retail traders and institutional investors [5][6] - Interactive Brokers has a tech-focused approach, with a majority of its senior management having software engineering backgrounds, and offers automated services from account opening to trade execution [7] - The company experienced a 32% year-over-year growth in new accounts in Q2, adding over half a million new accounts in the first half of 2025, surpassing the total added in all of 2023 [8][10]