The specialist acts as an auctioneer to match buyers and sellers, as an agent to accept limit orders, and as a human support when markets are frenzied. Each company's stock on the NYSE has a specialist who oversees all its trades this person is not an NYSE employee but someone hired by the listing company. If an investor wishes to buy stock that trades on the NYSE, her broker must call an order to the floor broker or enter it into the Universal Trading Platform (UTP). The NYSE is an auction market, so trades occur between buyers and sellers by matching their bid and ask prices respectively. The way trades are executed is the biggest difference between the NYSE and NASDAQ. Held by publicly listed InterContinental Exchange (ICE), which also owns Euronext. Weekdays 9:30am to 4:00pm ET a pre-market session 7:00am to 9:30am and post-market session from 4:00pm to 8:00pmД®xchange for high-tech stocks that are more growth oriented and potentially more volatile.Д®xchange for well-established companies, more stable stocks. New York Stock Exchange building on Wall Street in New York CityД«roker contacts market maker or uses online formД«roker contacts specialist floor trader or enters it into Universal Trading Platform (UTP)Д«ased on the number of shares listed capped at $500,000. Offices in a floor of the MarketSite tower in New York City's Times Square. National Association of Securities Dealers Automated Quotations Comparison chart NASDAQ versus NYSE comparison chart

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