30 Jul 1999 In the second multiple shooting in three months, a middle aged man, Mark Barton , stormed into two brokerage companies in the city's business district Barton was a chemist who began day-trading stocks and "apparently 8 Aug 1999 The two men had sat side by side, day after day, engaged in the legalized gambling known as "day trading" in the Atlanta office of All-Tech Investment Group. The shooting spree was ghastly but depressingly familiar. Barton threatened to sue the company and settled: $150,000 for the kids, $300,000 for Stockbroker Gerald M. Loeb of the firm Hutton & Co. talks on the Mark Barton went on a shooting spree in an Atlanta day trading office, convincing many