Marriott's Stock Surges 1.73% on Strategic Shift as $740M Volume Ranks 243rd on U.S. Markets

On September 19, 2025, . , . The move followed a strategic shift in the company’s loyalty program structure, which analysts suggest could enhance customer retention and long-term revenue streams.

Internal restructuring efforts, including the consolidation of digital platforms to streamline booking systems, were highlighted as key catalysts for investor confidence. , . Market participants noted the timing of the updates aligns with broader industry trends toward technology-driven hospitality solutions.

To run this back-test accurately I’ll need to clarify a couple of practical details: 1. Universe definition • Do you want the “top 500” selected from the entire U.S. listed universe (NYSE + NASDAQ)? • Or can we use a fixed universe such as the S&P 500 constituents (roughly 500 stocks) as a proxy? 2. Weighting method • Should the 500 selected names be held equally-weighted each day, or volume-weighted, or another scheme? 3. • Is end-of-day data acceptable, or do you require intraday open/close levels? Once these points are clear I can build the data-retrieval plan and run the strategy back-test.