The utilities sector proved to be the busiest yesterday on The Bermuda Stock Exchange (BSX), with all three listed companies trading more than 11,000 shares collectively.The Ascendant Group Ltd saw 9,214 change hands but its share price held firm at $14, while KeyTech Ltd transacted 1,615 shares worth $6.25 each and Watlington Waterworks Ltd traded 1,000 shares, however remained unchanged at $11.50.Butterfield Bank also saw 105 common shares and 18 preference shares change hands, but their share values held firm at $1.30 and $1,250 respectively.The Index, as a whole, fell 10.33 points (0.88 percent) to 1,158.87 with 11,934 shares worth BD$150,717.25 and 18 shares worth US$22,636 transacted.The BSX Insurance Index also dipped nine percent (0.87 percent) to 1,022.