Bitcoin sellers are expected to cover positions, which could lead to higher prices next week.
Latest exploit cost the blockchain protocol $8 million.
Thorchain told CoinDesk a hacker deployed a custom contract that was able to trick the Bifrost into receiving a deposit of fake assets.
Also, Circle might be an attractive "starter stock for the cautious" when it goes public, according to one analyst.
The company said it will provide a more detailed assessment of the breach soon.