the main rule of investment is never to invest more than you can afford to lose. If you obey that one rule, you won't panick - ever.
Yes, this is a correction, and it won't be the last one. Some coins will die on the way, maybe even BTC. But the blockchain is an amazing new technology that is here to stay.
That's been my #1 rule. I am confident in blockchian tech and will as well invest most of my disposable wealth into more crypto. This is just like the dot com boom and bust. a few good websites made it past the finish line and few crashed and tumbled. Its all normal. Just do you research and place your bets