The XLF rose 8.75% (+4.69 pts) so far this quarter in a broad advance: 64 of 76 stocks rose, with JPM out front at +0.66 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 (+9.46% vs +8.22%), yet JPM moved the XLF 65.7× 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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