USDCHF retests 100 hour MA as dollar selling returns

Price has trading above and below the 100 hour MA over the last 2  trading days
The USDCHF is following the USD lower.  For this pair, the price high today reached up to the low end of a swing area near recent highs between 0.89172 and 0.89197. The high price today reached 0.89167 and reversed lower. The last 4 hourly bars have