If you haven`t sold AAPL after after Buffett trimmed his position in it:
Then you need to know that at 12.90%, Apple is the Nasdaq Composite's largest stock by weighting, followed closely by Microsoft at 12.14%. Even though Apple has diversified its product line with Watch, AirPods, and services, the iPhone is still responsible for 52% of its revenue. Today, we found out that APPLE'S CHINA IPHONE SALES TUMBLE 24%, LOSING OUT TO HUAWEI.
A downturn in AAPL could have a cascading effect on the overall market!