Im not sure what MRKXT is, but I'm guessing it is something similar. About once a week I overhear someone getting pitched about these super deals. This is pretty scary, but about 3 years back I was chatting with one of these MLM guys at a Starbucks. I told him where I worked in passing. He tracked me down through the switchboard to give me the pitch.. Wish the ladies would pursue me with such vigor.
market xt (LSPD) the ecn....they took order flow from one employee, sold it to another employee, who then got rebated back from a third employee, who then sold every thing back to the first employee, until e*trade came and paid everybody!!