Why do all time highs follow all-time highs?

This is why all-time highs tend to follow all-time highs. Higher prices attract more buyers which attracts higher prices, etc. You can see this more clearly by looking at the all-time highs in the S&P 500 since 1950 (Note: the y-axis is a log scale):

Should you buy near all-time highs?

As I have shown previously, there is only a 5% chance that you are going to buy an asset (like a U.S. stock index fund) at its best possible price. This means that there is a 95% chance you will buy too high relative to some lower future price. Does this imply that you shouldn’t buy near all-time highs? Not at all.

When did the stock hit an all-time high/low/record?

an all-time high/low/record In October, the stock hit an all-time high of $90. In the nineteenth century the proportion reached an all-time low of less than 3 per cent. After the nineteen-twenties, however, a chasm opened up, and grammatical activity sank to an all-time low.

Is financial giving an all-time high?

Financial giving is at an all-time high. I think it will mean that the interest will be at an all-time high. The number of persons filing for bankruptcy protection is at an all-time high. Something that is high extends a long way from the bottom to the top when it is upright. You do not use high to describe people, animals, or plants. [...]