Definition

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Momentum Definition
Momentum institutions invest in stocks whose price, earnings, or earnings estimates are advancing at a faster rate than the market or other stocks in the same sector. Momentum investors generally look for stocks experiencing upward earnings revisions or producing positive earnings surprises. Most of the investors in this category have relatively high portfolio turnover rates due to a short-term (often quarterly) focus, and therefore will liquidate positions at the slightest hint of a disappointment or deceleration in earnings. Thomson Reuters categorizes these portfolios based on its knowledge of their historical investment behavior.