The XLF fell 0.07% (−0.04 pts) so far this year, but 42 of 76 members went the other way. AXP and KKR dragged the tape lower, contributing more than the entire move.
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JPMORGAN CHASE + CO and WR BERKLEY CORP moved almost identically (+4.33% vs +4.67%), yet JPM moved the XLF 36.4× 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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