HCA Healthcare Falls 4.61% as $800M Volume Propels Stock to 138th U.S. Rank

On September 10, 2025, , . The stock ranked 138th in volume among U.S. equities, signaling heightened market attention despite the downward price movement.

Analysts noted the sharp volume spike as an indicator of potential short-term volatility, though no specific earnings or operational updates were disclosed to directly correlate with the price action. The absence of corporate announcements or regulatory filings during the period suggests the decline may reflect broader sector rotation or algorithmic trading dynamics rather than fundamental shifts in the company's outlook.

For the back-test setup, . common stocks on NYSE, NASDAQ, and NYSE Arca, excluding ETFs, ADRs, and penny stocks (<$1). (2) Trading assumes close-to-close execution without transaction costs. (3) A point-in-time database will handle corporate actions. The process involves daily ranking by volume, constructing an equal-weight portfolio of the top 500 stocks, and calculating metrics including cumulative returns, annualized volatility, Sharpe ratio, and maximum drawdown. Confirmation of these parameters is required before proceeding.