Dividends ? If the aim is to have thousands of units in place over the next couple of decades = I can't see dividends being paid before I retire & I'm 50. All those DMG units will cost lot's of money.
One of the perils of keeping certain AIM shares for a long time is that this sort of slide in share price is bound to happen. Pump & dump for a quick profit seems a better option & always beware of fund raisings that dilute your holdings.
Couldn't really make a case for selling at 143 when around 160 was available & other than Brexit worries there's no reason for this to drop back to 130 ever again.