There are several negative forces in play for-USD/JPY. Most notable is a zero line cross-over to the downside (phase energy), indicating new selling pressure (lower indicator on top).
The Alligator jaws closed, then opened in a new down trend. Vortex (middle indicator on top) is negative, red over green. RSI / Stochastic, top indicator, is oversold, but can remain so for an extended period of time.
Support, based on previous structure, is 99.61, then 98.60.