The XLF rose 19.89% (+9.08 pts) over two years in a broad advance: 55 of 76 stocks rose, with JPM out front at +2.39 points.
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JPMORGAN CHASE + CO and GLOBE LIFE INC moved almost identically (+62.60% vs +57.91%), yet JPM moved the XLF 86.3× as much. In a cap-weighted index, the bigger company's weight turns the same percentage move into far more points.
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