Flexpower Inc. (FLXP)

[R-money]

This is not only scottrade policy, but SEC regulation. It is in all the brokerage agreements you signed when you opened your accounts.

However limit orders do show in the specialist books for every stock, so seeing a line-up for a large amount of shares at higher prices does send a message to market makers. They have to ability to ignore them, but they do notice it. At scottrade a broker must place a limit that is well above the market price however.