Clearly Celltrion chart is forming rising wedge period. As long as the price is in the trend line the trend is in bullish. But between 50%-70% area is the key that market may shift to other direction.
If price bounce at support line with high volume, price would like to go 370000 won. Probably price will have difficult time breaking ATH within short amount of period.
Remember, Rising wedge usually is the signal of bear trend. So keep on eyes on support level.