Cardinal Health Ranks 257th in Market Trading Activity with 34.26% Volume Surge and 4.85% Price Rally

On September 23, 2025, , . This placed the stock at rank 257 in terms of trading activity across the market, .

The surge in volume suggests heightened investor interest, potentially driven by strategic announcements or broader shifts. However, no specific company-related news was identified to directly explain the price movement, leaving the increase attributed to sector-wide trends or activity.

Back-testing of a volume-based trading strategy from January 1, 2022, to the present indicates the need for further parameters to ensure accurate execution. Key considerations include the equity universe scope (e.g., market caps, exclusions), entry timing (close-to-close vs. close-to-next-open), weighting methodology (equal vs. volume-proportional), and technical limitations in handling large baskets of stocks. A synthetic portfolio approach or narrower testing scope may be required to align with current back-testing engine capabilities.