Due to the reluctance to invest large amounts of money in the beginning of the simulation, there was a lag time before total profits became significant. Figure 7.28 on the next page shows the weekly profits from the simulation in red bars and the total profit as a blue line. It displays the slow increase in profits from weeks 1–3 and then the exponential increase during weeks 4–7. The last week had smaller profits because all stocks had to be sold to end the simulation whether or not it was time to sell these stocks.