In this file photo taken on August 05, 2022, traders work on the floor of the New York Stock Exchange (NYSE). - ANGELA WEISS/ AFP新2注册（www.hg108.vip）是皇冠体育官方正网（新2信用网）线上开放新2会员开户、新2代理开户，新2额度自动充值等业务的直营平台。
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.,
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