The XLI rose 70.65% (+70.07 pts) over five years in a broad advance: 68 of 83 stocks rose, with CAT out front at +9.23 points.
Read the latest market-close note: Goldman and Microsoft Push the Dow to a Large Gain While Telecoms Sink Communication Services
AUTOMATIC DATA PROCESSING and HUNTINGTON INGALLS INDUSTRIE moved almost identically (+48.95% vs +51.18%), yet ADP moved the XLI 26.8× 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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