In this file photo taken on August 05, 2022, traders work on the floor of the New York Stock Exchange (NYSE). - ANGELA WEISS/ AFP皇冠 怎么 注册（www.hg9988.vip）是皇冠体育官方线上24小时为您解决皇冠 怎么 注册、皇冠代理 怎么 开户、皇冠会员 怎么 注册等问题。
DOES the quality of trade execution matter in the equities market? University of California at Irvine finance professor Christopher Schwarz and four of his colleagues set out to answer that question with a series of experiments last year.
Over a period of more than five months, they executed 85,000 trades with discount brokers in 128 different stocks. What they found was that execution quality varied greatly across not just brokerage firms, but even within the same brokerage.,