American Association of Individual Investors

American Association of Individual Investors

2025 Review of AAII Stock Screens: Wanger’s Zebras Break From the Herd

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AAII
Jan 12, 2026
∙ Paid

Featured Tickers:NVDA

  • What drove markets and sector leadership in 2025

  • How AAII’s quantitative stock screens work, as well as their strengths and weaknesses across market environments

  • Which screening strategies excelled or lagged on gains, risk-adjusted results, and bull and bear market behavior

AAII has been developing, testing, refining and tracking a variety of quantitative stock strategies for over 25 years using Stock Investor Pro, AAII’s fundamental stock screening and research database program. These screens are designed to explore and explain which quantitative fundamental factors help identify promising investment candidates.

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