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Lam Research (LRCX) surged 2.94% on October 2, 2025, with a trading volume of $2.39 billion, ranking 33rd in market activity. The chip equipment maker’s performance followed mixed signals from the semiconductor sector amid shifting demand dynamics and supply chain adjustments.
Analysts noted that Lam’s gains were partly driven by renewed investor focus on capital expenditure trends in the semiconductor industry. While broader market sentiment remained cautious due to macroeconomic uncertainties, Lam’s robust order backlog and strategic positioning in advanced wafer processing technologies positioned it as a relative outperformer in its peer group.
To run this back-test accurately I need to pin down a couple of practical details: 1. Universe definition – "Top 500 stocks by daily trading volume" could refer to all listed U.S. stocks, a specific exchange, or the current S&P 500 constituents. 2. Rebalancing mechanics – The standard approach involves ranking stocks by volume at close, purchasing an equal-weighted basket of the top 500 at the next day’s open, and closing positions at that day’s close. 3. Slippage / transaction costs – Clarification is needed on whether to apply standard fees or assume zero costs. 4. Benchmark – A comparison to SPY or similar indices could provide contextual insights. Once these parameters are confirmed, the back-test will proceed.

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