The stock has support at 17.88 and 16.39. If the stock breaks down through support at 17.88 then it will probably continue lower to 16.39
The stock has resistance at 28.37 and at 31.38. If the stock breaks up through resistance at 28.37 then it will probably continue higher to 31.38.
On a short-term technical basis, the trend is Bearish (down) and the stock is below its 50-day moving average at 31.89 which also confirms its Bearish (down) trend. The stock is extremely oversold according to the Stochastic indicator (12.23).
On a long-term technical basis, the stock (MU) is trading below its 200-day moving average which implies it is in a negative trend.