A股广汽集团午后直线拉升触及涨停，现涨7.8%，成交额3.8亿元。消息面上，广汽丰田官方微博发布信息称，广汽丰田与华为深化合作2.0上线，从车机点到点合作，升级到全域面到面合作。

Group 1 - GAC Group's stock surged by 7.8%, reaching the daily limit, with a trading volume of 380 million yuan [1] - GAC Toyota announced an upgrade in its collaboration with Huawei, moving from point-to-point cooperation to a comprehensive face-to-face partnership [1]