USD/JPY plunged more than 2% after the BoJ decision to keep its monetary policy unchanged, against market expectations for further easing. The pair broke three support lines in a row, only to find some buy orders near the 108.75 (S2) zone. At the time of writing, the pair reversed some of its losses to trade just above the 109.25 (S1) support area but I would expect the bears to gain control again and push the pair below that hurdle. A break of that level could target initially the 108.75 (S2) support line, and a decisive dip below the latter is likely to push USD/JPY towards the 107.80 (S3) territory. Given that central bank decisions effect could last for a while, I would expect the near-term bias to remain negative.