yesterday to 978.71, a gain of 10.02 points. Five stocks traded, two gaining, one declining and two unchanged in value.

Bank of Butterfield rose 50 cents to close at $10.50 on a volume of 2,432 shares. Bermuda Home preference shares rose 5 to close at $10 5 on a volume of 100. BELCO Holdings Ltd. fell 25 cents to close at $20 on a volume of 346.

Trading unchanged were Argus Insurance Co. Ltd. at $12 on a volume of 941, and Staples Holdings Ltd. preference shares at $8 on a volume of 1,156.