港股汽车股部分走高，蔚来汽车(09866.HK)涨近4%，比亚迪股份(01211.HK)、广汽集团(02238.HK)、北京汽车(01958.HK)跟涨。

Core Viewpoint - The Hong Kong automotive stocks have shown an upward trend, with NIO Inc. rising nearly 4%, alongside gains in BYD Company, GAC Group, and Beijing Automotive [1] Company Summary - NIO Inc. (09866.HK) experienced a nearly 4% increase in its stock price [1] - BYD Company (01211.HK) saw a rise in its stock price, contributing to the overall positive movement in the automotive sector [1] - GAC Group (02238.HK) also followed the upward trend in the market [1] - Beijing Automotive (01958.HK) joined the other automotive stocks in experiencing gains [1]