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Riot Platforms (RIOT) surged 5.68% on Sept. 26, 2025, with a trading volume of $850 million, marking a 58.91% increase from the previous day and ranking as the 95th most traded stock in the U.S. market. The move reflects renewed investor interest in the company’s operations amid broader market volatility.
Analysts noted that the surge coincided with strategic developments in Riot’s cloud infrastructure expansion, particularly in regions with high demand for gaming and blockchain services. The company’s recent partnerships with hyperscale data center providers were cited as key drivers of short-term momentum, though long-term sustainability remains tied to execution risks in its capital-intensive projects.
Market participants highlighted the stock’s sensitivity to sector-specific trends, including regulatory shifts in cryptocurrency mining and competitive pressures from tech giants entering the cloud gaming space. While the current rally suggests improved sentiment, observers caution that earnings reports and cash flow dynamics will be critical in confirming the trajectory of the stock’s performance.
To run this back-test accurately I need to pin down several practical details: 1. Market universe—Should we look at all U.S. listed common stocks (NYSE + NASDAQ + Arca), a specific index (e.g., S&P 1500), or another market? 2. Weighting & sizing—Equal-weight across the 500 names each day (1 ÷ 500 ≈ 0.20% per position), or another sizing rule? Any cash drag / un-invested capital allowed if fewer than 500 symbols trade that day? 3. Trade timing—Common implementation is: a. Rank stocks by the prior day’s dollar volume (shares × price using that day’s close). b. Enter positions at the next day’s open and exit at that day’s close (one-day hold). Is that acceptable, or would you prefer close-to-close measurement? 4. Costs & constraints—Commission and slippage assumptions (we can default to 0 unless you’d like to specify). Short-selling is not required here, but any other risk controls (max drawdown, stop-loss, etc.)? Let me know your preferences (or simply confirm the defaults in italics above), and I’ll proceed with the data retrieval plan and back-test.

Hunt down the stocks with explosive trading volume.

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