Gradual increase in price is way better than sudden rise. From yesterday started to see some buying happening in bitcoin and now price is almost at 40k. So if it can continue to stay above 40k for a while then we might even see in coming time near 50k unless there is no negative news around the market for bitcoin. For now, good to see bitcoin back again near 40k.
I also prefer a gradual increase in price, a sudden increase can be considered as a price manipulation which is not good and will cause new players in the market to lose their investment, just like what happened in 2017, if the price is gradually increasing, we can figure out what causes the price increase and make the right decision to invest.