The analyst rating from UBS for ZAI LAB is based on the following reasons:
1. Long-term Growth Potential: UBS remains optimistic about ZAI LAB's long-term growth potential despite current challenges.
2. Promising Product Line: The company has key assets, such as Zoci (DLL3 ADC) and ZL-1503 (IL13/IL31R), which are expected to contribute positively to its future performance.
3. Attractive Risk-Reward Ratio: UBS believes that the development and business expansion potential of ZAI LAB's key assets have not yet been reflected in its stock price, making the risk-reward ratio attractive.
4. Stock Price Decline: The stock price has fallen by around 27% since November 6, which may present a buying opportunity.
Overall, these factors led UBS to reiterate a Buy rating for ZAI LAB, even as they adjusted the target price downward from HKD33.5 to HKD20.1.