https://blog.wongcw.com/2023/04/25/%e6%a8%99%e6%99%ae500%e8%b6%8575%e5%85%ac%e5%8f%b8%e6%a5%ad%e7%b8%be%e8%b6%85%e9%a0%90%e6%9c%9f%e6%98%af%e6%9c%9f%e6%9c%9b%e5%a4%aa%e4%bd%8e%e9%82%84%e6%98%af%e6%a5%ad%e7%b8%be%e5%a4%aa%e5%a5%bd/
標普500超75%公司業績超預期是期望太低還是業績太好?