This is said all the time, but there's plenty of examples of...

This is said all the time, but there's plenty of examples of institutions buying in just before a price fall. Want me to name some? The thing is:

1) The money committed is peanuts for a proper investment house. It might mean a lot to RMP, but to the investor it's just one investment out of many. Just like how a large private investor might own 10 or more stocks.

2) What you're suggesting is insider trading, which is illegal. No one's going to risk their fund been closed down for the sake of a few million quid on an AIM/ASX share.