Exchange, rising $2 on volume of 19,258 shares to close at $32. BELCO Holdings gained 50 cents to close at $21.50. Bermuda Telephone Co. Ltd. bonds fell 50 cents to finish at $97.50.

For the week the index gained 46.48 points to close at 1,471.81 on a volume of 51,099 shares valued at $1.09 million.