The gap between the two is the reward demanded for holding riskier stocks.

两者之间的差额就是持有更高风险股票所要求的回报。

Do I want to be holding stocks like this?

我想持有这样的股票吗？

Hence, after a certain point is reached, there is necessarily a loss in holding a greater stock.

因此，在达到某个点后，持有更大的股票必然会造成损失。

The average time for holding a stock in both the United States and Britain, he notes, has dropped from seven years to seven months in recent decades.

霍尔丹指出，近十年内，无论美国还是英国，平均持股时间已经从七年降到了七个月。