https://blog.wongcw.com/2021/06/08/%e7%be%8esec%e7%a8%b1%e6%ad%a3%e7%9b%a3%e6%8e%a7%e6%9f%90%e4%ba%9b%e8%82%a1%e7%a5%a8%e7%9a%84%e6%8c%81%e7%ba%8c%e6%b3%a2%e5%8b%95%e8%aa%93%e8%a8%80%e4%bf%9d%e8%ad%b7%e6%95%a3%e6%88%b6%e6%8a%95/
美SEC稱正監控某些股票的持續波動誓言保護散戶投資者