The ARKK rose 92.52% (+43.07 pts) over two years in a broad advance: 36 of 41 stocks rose, with TSLA out front at +6.13 points.
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TEMPUS AI INC-CL A and CERUS CORP moved almost identically (+33.98% vs +35.29%), yet TEM moved the ARKK 15.9× 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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