润欣科技短线拉升，盘中涨超7%

Group 1 - The core point of the article highlights the short-term stock price increases of Runxin Technology and Laofengxiang, with Runxin Technology rising over 7% and Laofengxiang rising over 4% [1] - The news reports that Doubao's large model is collaborating with Runxin Technology and Laofengxiang to develop AI glasses, which are expected to be priced under 2000 yuan [1] - The AI glasses are anticipated to be launched in early next year [1]