down reversal

down reversal　回跌　

It is a change in the direction of a price trend.On a price chart，reversals undergo a recognizable change in the price structure.An uptrend，which is a series of higher highs and higher lows，reverses into a downtrend by changing to a series of lower highs and lower lows.A downtrend，which is a series of lower highs and lower lows，reverses into an uptrend by changing to a series of higher highs and higher lows.