BANKERS TRUST <BT> RAISES PRIME LENDING RATE Bankers Trust Co said it has raised its prime lending rate to 7-3/4 pct from 7-1/2, effective immediately. This move is the latest in a series of similar actions by leading U.S. money center banks, including Citibank NA and Chase Manhattan Bank NA, over the last 24 hours. AmeriTrust Corp of Ohio also raised its prime lending rate to 7-3/4 pct from 7-1/2, effective tomorrow.