Almost all of the top 100 cryptocurrencies went down at least 15-17 percent but out of them the biggest loser is Luna. Losing 65% of it's value in just one day terra shows that how volatile crypto market is still yet despite crypto industry being about 12 year old. If btc keeps falling then i don't think Luna will recover soo. It's stable currency ust even went down below 70 cents which was a great arbitrage opportunity if you could take advantage of. Now it's trading at 90 cents so you could make 20-25 percent profit by just arbitraging it.
Image Source Coinmarketcap.com