Buy 1k 2k 5k not 100.......just dont make sence, cost more in fees
MM's moving price up and down with 100sh lots
last trade ....me ...1000shares
No, that's what results when you place an order (say 1000 shares) to buy/sell on market. If there are no buyers for 1000 shares, your brokerage breaks them up into easier to sell 100 share lots. it's not MM's.