Above you can see the chart of the S&P 500, and the Fibonacci Retracement of the index. There is a big support at 3,800, where the index already bounced in mid-May.
Apple reacted quite good to January market sell-off, but then the stock surrendered to the bears. From a 180$ high, the share lost almost 25%, and now it is close to a critical support at 135$.
The sentiment look very bad right now, and it is very likely to see a bearish breakout.