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Analysts usually upgrade their earnings estimates for high-momentum stocks more than low-momentum stocks, creating an overly bullish sentiment among investors that could often make the high-momentum stocks very crowded. That behavior has moderated over recent months, noted McCarthy, and the momentum strategy has become less crowded since the fourth quarter last year, though still above historical levels.
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Still, other momentum strategies involve cross-asset analysis. For example, some equity traders closely watch the Treasury yield curve and use it as a momentum signal for equity entries and exits. A 10-year Treasury yield above the two-year yield generally is a buy signal, whereas a two-year yield trading above the 10-year is a sell signal. Notably, the two-year versus 10-year Treasury yields tend to be a strong predictor of recessions, and also has implications for stock markets.