"saying that if equities move more than a little bit higher from here, then there might well be an immediate and strong upside push before a major and inevitable retrenchment. Possibly load up on high-beta stocks for that possibility, but use tight stops."
Translation:
Crap runs at the end of rallies.
If this is the end of the rally (coming up) then crap will run.
Conclusion: If you think this is the end of the rally, load up on crap.
There, I just saved you your subscription fee. {GGG}