Hints and tips:
...The other two DMMs are traditional market makers Brendan E Cryan and J Streicher....
...In addition to GTS and IMC, the DMMs on the floor are HFT firms KCG and Virtu Financial, as well as traditional market makers Brendan E Cryan and J Streicher....
...That has left Knight as one of only six designated market makers (DMM) remaining on the NYSE, alongside Goldman Sachs, Getco Securities, Virtu Financial Capital, J Streicher & Co and Barclays....
International Edition