Smart money in my books are inviduals who know, or rather are very very confident, that big increases are on tap in the coming months and years. So long as there are sellers willing to part with their shares....and if they're aren't, there are machinations which can be employed.
Its been going on for years:
http://www.businessinsider.com/the-richard-wyckoff-stock-trading-method-2013-2
Is it happening here? Ya pays your $$$ you takes your chance.