Bloomberg with the headline, I'll check out the Nikkei for more

Sort of makes sense though - especially the new moves to boost fiscal policy that have been bandied about since the election last weekend. At least in the short term there might be a boost.

As for the oil price, the Bank of Japan have been very consistent in saying the low oil price has held back inflation and made it difficult to hit hit their 2% target. Let's see how they approach the rebound, that's been persistnet of rmonths now, maybe the higher oil price will be their go to excuse as a constraint on growth. Or, maybe I'm just too jaded.

Added: Here we go, more from the Nikkei:

  • Speculation is growing that the Bank of Japan will take additional easing steps as a way to buttress stimulus measures the government is expected to unveil soon.

There is more at the article - but this is just what we've been saying all week, so nothing new here.
This is the sort of news that spurred yen selling this week - but this now is old news to markets.