October: -27372 yuanSeptember: 11,228.38 yuanJuly: -356.24 yuan
2020:+34,277.8 yuanRunze technology retreats to take profit and sell.Another solution
December:May: -4260.08 yuanThis year's profit:-17,640.13 yuan
Strategy guide 12-14
Strategy guide 12-14
Strategy guide 12-14