TradingKey – On August 19 US Eastern Time, Apple (AAPL) rose for a second consecutive trading session, with its stock price returning to around $315. Meanwhile, the Philadelphia Semiconductor Index continued its weakness, as the short-term performance between Apple and the chip sector diverged once again.

This scene is quite similar to the market performance in July. Apple’s stock price rose 6.76% that month and touched an all-time intraday high above $344 on July 29; in contrast, the Philadelphia Semiconductor Index fell 20.61% in a single month, marking its worst monthly performance since 2008, while the Nasdaq 100 Index also declined 6.61% over the same period.

Against the backdrop of the AI boom driving a re-rating of tech sector…