This is the problem. Describe the important changes that have occurred in stock markets over the last decade. Some of the following answers are correct whereas some are wrong. Which are correct/wrong and why?

A.Official market makers have largely disappeared, replaced now by the limit order book.

B.Stocks no longer predominantly trade on the markets on which they are listed.

C.Off-exchange transactions in dark pools are now much more common.

D.The stock market is now an exclusive club in which only brokers and rich people make money.

E.Markets have become more fragmented.

F. Having just a little knowledgelong dashbecause of the limit order booklong dashis enough to invest in the stock market.