Applied Materials Plummets 2.71% as $2.02B Volume Ranks 41st Among Active Stocks
On October 3, 2025, Applied MaterialsAMAT-- (AMAT) closed with a 2.71% decline, trading at a daily volume of $2.02 billion, ranking 41st among active stocks in the market. The drop came amid mixed signals from supply chain dynamics and sector-specific headwinds affecting semiconductor equipment manufacturers.
Recent reports highlighted renewed concerns over inventory correction cycles in the chipmaking industry, with analysts noting extended lead times for wafer fabrication tools. A shift in customer procurement strategies toward near-shoring and modular production models has led to delayed large-scale orders, creating short-term uncertainty for capital equipment providers like AMATAMAT--. Market participants also pointed to broader sector rotation, with investors favoring defensive plays over cyclical tech stocks ahead of macroeconomic data releases.
Technical analysis suggested the stock tested key support levels near its 200-day moving average, raising questions about the sustainability of its recent consolidation pattern. Options activity showed increased bearish positioning, with put options for the December expiration outpacing calls by a 3:1 ratio. However, long-term fundamentals remain intact, supported by ongoing investments in AI-driven manufacturing solutions and expanded service contracts with tier-1 foundries.
To run this back-test precisely I need a couple of clarifications: 1. Universe • Which market(s) should the "top-500 by daily trading volume" be chosen from? (e.g., all US-listed common stocks on NYSE + NASDAQ, only S&P 500 constituents, China A-shares, etc.) 2. Weighting method • When the 500 names are bought each day, should the capital be split equally (1/500 each), or scaled by another rule such as proportional to their dollar volume? 3. Handling of corporate actions • Is it acceptable to ignore dividends and splits (total-return ≈ price-return), or should the back-test be total-return adjusted? 4. Transaction costs & slippage • Should we assume zero costs, or apply a commission/slippage assumption? Once I have these details I can build the daily rebalanced portfolio and compute the cumulative return from 2022-01-03 through today.
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