for major correction fundamentals will be good after that you will see those movements in charts as price action if you are new wait for corrections until you see majority for bull candles above a good level than think of entering with good risk rewards
Yes, when the price up or down significantly, fundamentals will be good to be followed otherwise we can use price actions. In cryptocurrency trading, we could use both of the methods in combination. We just need to see what is happening. Whether the price moves normally or not.