Bessemer Trust, Stein Roe Mull A-T Financial's Opening Bell, S&P ComStock


Bessemer Trust Co. and Stein Roe & Farnham Inc. are piloting Chicago-based A-T Financial Information Inc.'s Opening Bell market data distribution software at their respective investment management operations. Both are considering the system for display and manipulation of McGraw-Hill Inc.'s S&P ComStock data feed, which was recently made available via Opening Bell.

Opening Bell is a DOS-based facility for user management and display of real-time market data delivered in feed format. It comes