Thanks again. Yes I know it won't help. I already have strategies. In my opinion, its good to know about how the market operates nonetheless. Appreciate your help
Visit Luminex's website. They are fairly transparent in their disclosure. Buy/side only and mostly owned by Fidelity.
Below book is essential. IMHO, the best way to approach this is to understand what different participants try to accomplish and then dig into how they try accomplishing that.