中概新势力车股集体上涨，小鹏汽车涨幅扩大至近8%，理想汽车涨近4%，蔚来涨超1%

Group 1 - The core point of the news is that Chinese electric vehicle stocks experienced a collective rise on March 9, with XPeng Motors increasing by nearly 8%, Li Auto rising by nearly 4%, and NIO gaining over 1% [1][2][3]. Group 2 - XPeng Motors' stock price reached $18.550, reflecting an increase of $1.230 or 7.10% during trading on March 9 [3]. - The opening price for XPeng Motors was $17.930, with a daily high of $18.750 and a trading volume of 4.3535 million shares [3]. - The previous closing price was $17.320, and the total market capitalization of XPeng Motors is approximately $17.683 billion [3].