Nikkei 225 closes down 4.05% at 16,930.84

Another less than convincing rally in the last hour peters out and we end near session lows

• -714.27
• USDJPY 119.45
• open 17359.38
• high 17366.95
• low 16901.49

Shanghai Comp Index currently down -2.5% at 3023.41 near session lows