Prothena Plunges 30.4% on Jefferies Downgrade
Generated by AI AgentAinvest Pre-Market Radar
Tuesday, May 27, 2025 4:40 am ET1min read
PRTA--
On May 27, 2025, Prothena's stock experienced a significant drop of 30.4% in pre-market trading, sparking concerns among investors and analysts alike.
Jefferies recently downgraded Prothena's stock rating to hold, while also reducing its target price to $6. This move reflects the firm's cautious outlook on the company's near-term prospects, potentially contributing to the recent sell-off.
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