It's just a hype , are they going to remain in that price well no one can answer you directly for that but hopefully they can . It's just a good starting point of hype of many defi project it will open a new opportunity for other and scammers will also take this as opportunity to make them more money. You can easily see it when you visit bounty thread   . there are many defi wanna be project created after uniswap have successful start .