If you look at volume on the New York Stock Exchange and the Nasdaq over the last five years, there's been no real increase in the number of shares traded. In addition, proprietary trading has gone from 19 percent to 52 percent of that total. So you're seeing more competition for fewer individual trades.  -   Richard Bove     Quotes
If you look at volume on the New York Stock Exchange and the Nasdaq over the last five years, there's been no real increase in the number of shares traded. In addition, proprietary trading has gone from 19 percent to 52 percent of that total. So you're seeing more competition for fewer individual trades. Richard Bove