BF&M shares were down slightly in trading yesterday on the Bermuda Stock Exchange. Shares fell $0.05 (0.3 percent) to close at $16.00 with 500 shares trading.Shares of Bank of Butterfield also traded with 8,279 shares changing hands. The stock closed unchanged at $1.27.Ascendant Group shares also ended the day unchanged with 100 shares trading.Overall, the BSX ended the day down 0.35 points (0.03 percent) to close at 1,093.17.