这两天没事的时候回测了一下美区的情况 我发现一旦美股进入调整段 市值小于2000亿的一定会遭重 buy the dip只适用于大蓝筹或者中市值大 不过总体来说还是比a股简单 所以其实全球都一样 只是美股流动性最大 相对来讲最简单

The author backtests U.S. stocks and finds that during market corrections, only large-cap stocks above $200 billion benefit from buy-the-dip strategies.