USD/JPY hovers near 150.00 with 'gravestone doji' hinting at a possible downside. Slight bullish RSI; a break above 149.00 could target 149.47 and 150.00. If 149.00 isn't breached, sellers might drive the pair down to 148.34 (Tenkan-sen) and 148.00 support. USD/JPY remains flatlined late in the Nort