APA teractive Deepl.it Question 15 1.5 pts Which group of investors on the New York Stock Exchange buys and sells stocks for their own account? O independent brokers O registered traders O designated market makers O supplemental liquidity providers Question 16 1.5 pts Riskless transactions to take advantage of profit opportunities due to a price differential or a yield differential in excess of transaction costs are called? O cash transaction 11 29 X V