The XLP rose 3.44% (+2.88 pts) over the past three months, and 74% of that gain came from just three stocks: TGT, KO, DLTR.
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COCA COLA CO/THE and HORMEL FOODS CORP moved almost identically (+14.65% vs +13.79%), yet KO moved the XLP 24.9× 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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