From early March to early August, it has been fluctuating in the range of 60,600-72,000 for five months; it began to plummet on August 4 until it rebounded from 49,000, and is still fluctuating in the range of 57,700-61,700; it has rebounded to the large box range, and it can be seen from the trend line that it is stepping back after breaking through. If 60,600 is not broken after stepping back, it will touch around 63,000; the current market is repeatedly pulling in and out, and it is not recommended to do contracts
