Snap推2195美元智能眼镜，华尔街看衰
Snap breaks from the pack with heavy $2,195 smart glasses. Wall Street is panning the move.
Snap’s stock was extending its declines, as the weight of its new ultraexpensive augmented-reality glasses is seen as a potential “nonstarter for mass appeal.”
更进一步：量化金融体系
看懂新闻只是起点——沿量化金融路径，把它变成能交付的工程能力