HubSpot Plunges 1.88 as $220M Trading Volume Slumps to 459th in U.S. Rankings

On September 23, 2025, , . . equities, reflecting reduced investor engagement during the session.

The move followed mixed signals from market participants, with analysts noting a lack of catalysts to drive momentum in the marketing automation sector. While broader tech indices showed resilience, HubSpot's performance appeared decoupled from sector trends, pointing to potential near-term uncertainty among holders.

To run this back-test robustly I’ll need to make a couple of practical choices and would like your confirmation first: 1. Universe • Should I look at all primary-listed U.S. common stocks (≈ 4,500 names) or some other universe (e.g. constituents, S&P 500, etc.) from 2022-01-03 onward? 2. , zero transaction costs and full reinvestment of cash. 3. Benchmark (optional) • For context, ? Once these points are clear I can generate the selection lists, create the 1-day-hold signals, and run the portfolio-level back-test.