Nikkei approaching resistance, potential drop!

Nikkei is approaching our first resistance at 21016.0 (horizontal overlap resistance, 38.2% fibonacci retracement) where a strong drop might occur below this level pushing price down to our major support at 18360.0 (horizontal swing low support, 61.8% fiboancci extension, 61.8% fibonacci retracement).
Stochastic ( 55,5,3) is also approaching resistance where we might see a corresponding drop in price.