i think you made big mistake when you bought at 600 sat, but you still have a chance to see the price is increase but we don't know when the time is come. if you still confident with that coin, just hold it, wait and see later. the important lesson here is don't take all of your trust because of the pump and its only happen in one time, you need to check the real price of the coins before you decide to buy. many of us is trying to chase the coins when its high, just expecting that we can make profit but actually we are not make profit at all.
I can't say for sure if it's a mistake. The Crypto market is very much unpredictable. Even the so called "experts" don't know when a coin Hits bottom or peak. The same goes for everyone including op