YEN , Gold , CHF ,etc are traditionally termed as safe haven assets. And at times of uncertainty where the impact of the Coronavirus and extent of its damage is largely unknown, investors and traders will rush to protect themselves.
As you can see from chart, after hitting a peak of 110, it too like the SPX500 decides to take a U turn and heads south.
Again, note that the day chart is still bullish and it is only the smaller time frame showing bearish signals. So, if you want to short, ensure you have a clear strategy, employ strict SL measures to protect yourself.
Trade safely and GBU