Because it's the obvious target supported perfectly by TA. So that won't happen!
Let me explain why it's the perfect target and why it will stop higher:
8650 looks picture perfect
* support by the trendline coming up from 6502 at the start of the rally
* 0.618 retracement of the whole move up
* lower trendline of the move down could point to exactly that area
* Sell volume suggests there is still some room for downward movement, because usually the last few drops show declining volume. The last drop actually showed the highest volume
* RSI shows bearish divergence which points to a lot of downward movement