The XLF rose 12.44% (+6.45 pts) over the past three months in a broad advance: 69 of 76 stocks rose, with JPM out front at +1.04 points.
Read the latest market-close note: Nvidia and Goldman Sachs Lead a Narrow Advance as Energy and Staples Slide
JPMORGAN CHASE + CO and ERIE INDEMNITY COMPANY CL A moved almost identically (+16.29% vs +15.65%), yet JPM moved the XLF 103.7× 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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