Entegris Stock Surges 4.2% on Strategic Review and Institutional Buying Hits $370M in Volume Ranks 300th Most Active

. 18, . The move followed a strategic review of its semiconductor materials division, which highlighted potential cost efficiencies and long-term growth in advanced wafer processing technologies.

Analysts noted the stock's performance was driven by renewed institutional interest, . While no official guidance was provided, .

A back-test framework for evaluating the stock's volatility requires clarification on two parameters: (1) the market universe (U.S. exchanges, global equities, or specific indices) for selecting the "top-500 stocks by daily trading volume," and (2) portfolio construction methodology—whether to create an equal-weighted synthetic index or focus on a predefined universe like the S&P 500. Data alignment for either approach remains pending further specifications.