After some roller-coaster rides during the week, Dollar staged a broad based come back before the weekly close. The Republicans' tax plan is now back on track for being signed off by US President Donald Trump, by the end of the year, probably even before Christmas. There were various factors sank the greenback. Tamer than expected core CPI reading was one. An additional dissenter in Fed's rate hike was another. But looking back, the uncertainty on whether Senate could get the bill passed was probably the biggest weight on Dollar. It's still early to tell but focus will now be on whether Dollar could stage a sustainable turnaround before year end.