. y0 w1 h1" alt="" The Insider’s Guide to Trading the World Stock Markets By Andrew Willis October 20 01 October 20 01 © Copyright by Andrew Willis All rights reserved. This book, or parts therof,. meaning that if there are still unfulfilled orders at the end of the day, then they generally buy the stock themselves. The role of the specialist is to provide liquidity in the stock . one specialist can represent the stock itself. Not only do the specialists oversee the stock exchanges, but they also have the ability to shift stock prices to better leverage liquidity. The idea is that