Crypto took a hit this week because the U.S. stock market did. However, just today LTC is rebounding against BTC:

It's starting to bounce up above its support line. BTC, though, is also rising hard against the US Dollar today:

What I will do in this situation is sell my BTC for LTC and then hang on -- or, better, wait till tomorrow to see if the BTC rise is a one-day event.
What you do is your choice -- I am not your financial advisor and whatever you do after reading this is solely your choice.