A Southeastern wealth-management giant that oversees $16 billion in assets is staking its Middle Tennessee territory with a new acquisition. Argent Trust Co. - a subsidiary of Louisiana-based Argent Financial Group - has purchased Franklin-based Independence Trust Company, the company announced in a news release Monday. The Independence Trust acquisition will boost Argent's local footprint, making it the latest in a growing list of out-of-state financial institutions looking to profit from...