中国电动车制造商蔚来汽车尾盘出现看涨期权买盘潮。

Group 1 - The core viewpoint is that there has been a surge in bullish options buying for NIO Inc., a Chinese electric vehicle manufacturer, indicating positive market sentiment towards the company's stock [1] Group 2 - The increase in bullish options suggests that investors are anticipating a rise in NIO's stock price in the near future [1]