Butterfield Bank closed at $1.35 as 50,000 shares changed hands yesterday on the Bermuda Stock Exchange.BF&M closed unchanged at $16.25 as 1,200 shares traded. Bermuda Press was also unchanged at $9 as 300 shares traded.Also unchanged were Ascendant Group and KeyTech; Ascendant closed at $11.55 as 1,400 shares traded and KeyTech at $5.60 as 700 shares changed hands.Overall the BSX closed unchanged 1,121.35.