Solid weekly gains appear set for Asian shares as investors shrug off US government shutdown fears. (AP PHOTO)Solid weekly gains appear set for Asian shares as investors shrug off US government shutdown fears. The index was set for an over two per cent gain for the week and has risen 23 per cent so far this year. The Japanese yen has been the biggest beneficiary of the dollar weakness this week and is set to clock a 1.5 per cent gain, its biggest weekly gain since mid-May. The yellow metal is on course for a 2.6 per cent weekly gain, its seventh straight week of gains.