• Nikkei closes session up 48.24 pts, 0.26% at 18,751.84.
  
  
• Offshore and Japanese investors look to buy dips.
  
  
• USD/JPY bid more in afternoon, up from 119.62 early to 119.91.
  
  
• Option expiries at 119.00 supported market.
  
  
• Large 120.00 strikes to help limit pair's upside, $3.075 bln.
  
  
• Bids from at 119.50, move down, some stops tipped below, offers 120.00+.