Jefferies下调苹果评级至跑输大盘
Jefferies downgrades Apple to Underperform, sets price target well below current trading price
Jefferies' downgrade of Apple highlights potential overvaluation risks, prompting investors to reassess growth expectations and market premiums.
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