1,539.64 on a volume of 31,918 shares valued at $635,738. There was one advancer and two decliners. The biggest drop was by KeyTech Ltd., the holding company for Bermuda Telephone Co. Ltd. and Logic Communications. The stock fell 10.7 percent or $3.50 in value to $29. Bermuda Commercial Bank fell 20 cents to $7. Bank of Bermuda gained 25 cents to close at $31.75.