The transactions are done through an auction process with the dealers competing on price and the Fed accepting the low bids for buying and the high bids for selling.
Typically strong bull markets may start the day weak or even gap lower shaking out weak hands at which point buying emerges and bids stocks up into the bell.
Going forward, Boeing officials vow that they will insist that customers are crystal-clear about what they are buying--and how they will evaluate the bids, says McGraw.