https://blog.wongcw.com/2022/08/16/%e4%bc%af%e5%85%8b%e5%b8%8c%e7%88%be%e4%ba%8c%e5%ad%a3%e5%ba%a6%e5%a2%9e%e6%8c%81%e8%a5%bf%e6%96%b9%e7%9f%b3%e6%b2%b9%e5%92%8c%e5%8b%95%e8%a6%96%e6%9a%b4%e9%9b%aa%e7%ad%89%e6%b8%9b%e6%8c%81%e9%80%9a/
伯克希爾二季度增持西方石油和動視暴雪等減持通用汽車清倉威瑞森