Cameco Shares Surge 1.35% as Trading Volume Jumps to $520M Ranking 231st in Market Activity Amid Energy Transition Momentum
On October 6, 2025, CamecoCCJ-- (CCJ) surged 1.35% to close at a session high, driven by a 74.82% jump in trading volume to $520 million, ranking it 231st in market activity. The uranium producer’s shares benefited from renewed investor focus on energy transition themes amid mixed macroeconomic signals. Analysts noted the volume spike aligned with recent sector-wide momentum but cautioned that sustained gains would require further catalysts such as regulatory updates or production guidance.
While no direct corporate announcements impacted the stock’s performance, broader market dynamics involving commodity pricing and geopolitical energy demand trends contributed to the rally. Institutional investors appeared to rebalance positions in energy equities, with Cameco’s low float and concentrated ownership structure amplifying price sensitivity to incremental buying pressure.
To run this back-test rigorously I need a few clarifications: 1. Universe • Should we screen the entire US listed equity universe (NYSE + NASDAQ + AMEX), or a narrower list (e.g., S&P 1500 constituents)? 2. Trade prices • Buy at today’s close and exit at tomorrow’s close (close-to-close)? • Or buy at tomorrow’s open and exit at tomorrow’s close (open-to-close)? 3. Position sizing • Equal-weight each of the 500 names every day (typical), or volume-weighted / value-weighted? 4. Transaction costs & slippage • Do you want to include a round-trip cost assumption (e.g., 2 bp in/out), or ignore costs? 5. Risk limits • Any daily position limit, stop-loss, or maximum drawdown constraint to model? Once I have these details I can pull the required data, create the daily rebalance files, and run the strategy back-test from 2022-01-03 through the latest available date.

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