AAPL extending gains 30% in 2 months without any correction.
Reasons,
1- Safe Haven- According to Retailer investors; Apple is safe haven better performer than any other ticker but there is no safe haven, there is money traps.
2- Indices- If you would like to keep indices up, One easy way keep up some heavy tickers like AAPL,MSFT,AMZN,GOOG
Conclusion if SPY turned to down side, AAPL will be first nose dive ticker