Qualcomms $820M Volume Plunge Sends Shares to 100th Spot in U.S. Trading Activity
On September 26, 2025, QualcommQCOM-- (QCOM) traded with a turnover of $0.82 billion, marking a 40.21% decline from the previous day’s volume. The stock ranked 100th in trading activity among U.S. equities, closing down 0.28% amid mixed market sentiment.
Recent developments highlight shifting dynamics in the semiconductor sector. A pending regulatory review in a major Asian market has introduced uncertainty regarding the approval timeline for Qualcomm’s next-generation mobile chip licensing agreements. Analysts note that delayed regulatory clarity could temporarily suppress investor confidence, though long-term fundamentals remain anchored to the company’s 5G infrastructure leadership and expanding AI integration in its Snapdragon platforms.
Market participants are closely monitoring Qualcomm’s Q4 product roadmap, particularly the anticipated launch of its next-gen mobile processor line. While no immediate earnings catalysts are expected in the near term, the company’s recent R&D disclosures suggest a strategic pivot toward edge computing solutions, potentially broadening its addressable market beyond traditional mobile device manufacturers.
To set up this back-test properly I need to confirm a few practical details: 1. Stock universe • Should we rank all U.S.-listed common stocks each day, or only a specific universe (e.g., constituents of the S&P 1500, Russell 3000, etc.)? 2. Weighting method • Equal-weight the 500 names we buy each day, or weight them by something else (e.g., their dollar volume or market-cap)? 3. Trade timing • Buy at the same-day close and sell at the next-day close (i.e., 1-day holding period), or use open prices? 4. Transaction costs / slippage • Should we assume zero trading costs, or apply a commission/slippage estimate? Once these points are clarified I can generate the signals and run the back-test from 2022-01-03 (first trading day of 2022) through today.

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