It hasn’t happened often in recent years, but commercial banks and thrifts were actually servicing more home mortgages for other investors at the end of September than they had at the midyear point. A new analysis by Inside Mortgage Trends of bank call reports shows the industry was servicing $3.652 trillion of home loans for other investors at the end of the third quarter. Most of this SFO business is tied to mortgage-backed securities pools, and the ... [Includes one data chart]