The XLK rose 38.07% (+54.81 pts) so far this year in a broad advance: 55 of 75 stocks rose, with AMD out front at +7.66 points.
Read the latest market-close note: Goldman and Microsoft Push the Dow to a Large Gain While Telecoms Sink Communication Services
NVIDIA CORP and VERISIGN INC moved almost identically (+23.09% vs +25.82%), yet NVDA moved the XLK 204.2× 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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