Ether: It fluctuated and fell back to around 3311 yesterday evening, and then rose to 3398. The last short-term downward wave broke 3200 and ended. After many days of decline at the daily level, the market started a six-hour rebound. However, it has not turned strong at the daily level. The six-hour level fluctuation is inevitable. After a day and a half of rebound, the current price fluctuates around 3390, and the pressure area of ​​3420-3450 is concerned. ​​​