The NASDAQ 100 rose 30.48% (+6,851 pts) over the past year on a mixed tape; GOOGL, GOOG, AAPL did most of the lifting, with 46% of the gain between them.
Microsoft Corporation and Axon Enterprise, Inc. moved almost identically (−20.00% vs −23.00%), yet MSFT moved the NASDAQ 100 162.7× as much. In a cap-weighted index, the bigger company's weight turns the same percentage move into far more points.