chien luoc: sell 116,096 - 116,264 sl dinh gan nhat, tp can duoi
or pha can tren ta sell sl dinh gan nhat, tp can duoi ( vi phan ky va VDV)
va cho khi thay luc tang manh thi ta buy theo XH tang tai can duoi
th2: pha dinh gan nhat thi ta tiep tuc theo doi
