INVESTORS SHUNNING AT-HOME TRADING
It seems like a natural combination of high technology and high finance: the trading of stocks and the monitoring of their performance by home computer. So far, however, computer owners have been slow to bite. Several discount brokerage firms and data base companies that are marketing these stock services to individuals for their home computers say that sales have been below expectations. And one discounter, Texas Securities Inc., has already stopped offering an at-home execution feature that let home computer operators enter orders to buy and sell shares with just a few keystrokes - and no phone call to a broker.