When it comes to stockpicking, Commerce Bank's Gary Campbell is a number cruncher - bigtime.
In his nine years at Commerce, Campbell, chief investment officer of the Investment Management Group, has built a research effort that depends on in-depth quantitative analysis. To determine which stocks to buy and sell, the Commerce division uses computer models that generate trillions of calculations per month.
"We generate a massive amount of data to determine what are the important factors one should look at to determine whether or not a stock should be sold," Campbell said.
Based on computer platforms from a couple of vendors, the Commerce group has developed internal software that makes …