Airbnb Plummets 1.55 as 6.7B Volume Ranks 155th Amid Regulatory Pressures and Strategic Shifts

On September 23, 2025, , , . The stock’s performance reflected mixed signals from sector-specific developments and operational updates.

Recent reports highlighted regulatory scrutiny in key European markets, . Additionally, , . .

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To set up an accurate back-test I need a few extra details: Trading universe • Which market should the “top-500-by-volume” be selected from? • If you already have a ticker list for the universe, please share it; otherwise I can default to today’s S&P 500 membership. Price used for entry/exit • Should we trade on the next day’s open, or on the same day’s close? Transaction-cost assumptions • Should I include commissions/slippage? (If nothing special is needed I will assume zero costs.) With these points confirmed I can pull the necessary volume data, .