SPY S&P 500 ETF Potential Retracement !

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!