In the United States, stock maricets support several types of trading activity. Which of the following transactions falls into these supported types of activities? They facilitate the purchase and sale of short-term debt securities (e-g-n notes and bonds). They facilitate the sale of shares so that a company can go public: Which of the following participants in New York Stock Exchange (NYSE) transactions have the responsibility to make the market when either buyers or sellers are needed? Designated market makers (DMMs) The Securities and Exchange Commission (SEC) Trading floor brokers Supplemental liquidity providers (SLPS) True or False: One of the major differences between the New York Stock Exchange (NYSE) and the over-the-counter (OTC) markets is that in the NYSE, designated market markers make markets and floor brokers act as agents for their customers, while in the OTC, dealers make markets and brokers act as agents for their customers. True False