50,000 Stellar Lumens?

Odd buys on Bittrex. Someone or some bot just bought in equal increments x 6 of 50K. Not a big thing. Just looks odd. All at 410 Sats. Now more...250K...etc. Hmmmm. It'll probably back down in a minute...as always. But maybe it'll break loose. Now up to 418/419 on Polo.