Southwest Airlines Surges 3.22% on $290M Volume Ranks 358th in U.S. Equities Trading Activity

Southwest Airlines (LUV) closed on Sept. 23, 2025, , . . equities by trading activity, indicating moderate but notable investor interest.

Recent developments highlight operational resilience amid industry challenges. A revised fuel efficiency strategy, announced earlier this month, . Analysts noted this could enhance profit margins during a period of constrained demand for transcontinental travel. The carrier also finalized a pilot contract extension, averting potential labor disruptions that had weighed on peers in the sector.

Market participants are cautiously optimistic about the carrier’s near-term outlook. While broader economic uncertainty persists, Southwest’s fleet modernization program and route optimization efforts have created a structural advantage. , suggesting potential for further gains if macroeconomic risks remain contained.

To run this back-test properly I need to clarify a couple of practical details: 1. Universe • Which market should we scan for the “top-500” names (e.g., all U.S. listed common stocks, a specific exchange, China A-shares, etc.)? • If you have a predefined list (for example, constituents of a particular index), please let me know. 2. Selection & execution convention • Do we buy the top-500 names at the day’s close and exit at the next day’s close (standard approach), or would you like a different price/holding convention? 3. Benchmark (optional) • Would you like the strategy’s results compared against a benchmark index? Once I have those details I can generate the data-retrieval plan and run the back-test.