Nikkei is approaching our first resistance at 21088.5 (38.2% Fibonacci retracement, Horizontal pullback resistance, 100% Fiboancci extension) where a strong drop might occur pushing price down to our major support at 20085.8 (horizontal swing low support, 50% fiboancci retracement).
Stochastic (34,5,3) is also approaching resistance where we might see a corresponding drop in price.