>> a young man realized that the market that he thought he knew had changed. the market seemed to be willing to sell stocks, but the minute he went to buy it, someone else bought it. the stock went up. >> you wudetermined to get to the bottom of it. >> yeah. >> why? >> because it didn't feel right. it didn't feel right that people who are investing on behalf of pension funds and retirement funds are getting bait and switched every single day in the market. >> all right, let me talk to my brother, an expert on this, eric, is this true? >> okay -- >> and how does it work? >> let's go through the...