It didn't take much...
Checking out the, Dogecoin Rich List, it seems that the growth is in the 10k-100k and 100k-1000K wallets, which rose by 4k and 500 wallets respectively, since mid September. Oddly enough, ALL of the wallets holding more than that have dropped.
The point is, it didn't take much for the price to move substantially.
I'm a bit bummed because I had a plan to buy another 100k next week. Seems I'll be a bit short.