Butterfield Bank capped a successful week by being the biggest climber on the Royal Gazette Bermuda Stock Exchange (BSX) over the past five days.

The Bank's share price climbed $1.50 (2.61 percent) after it announced a triple-notch ratings upgrade from Moody's and also revealed that its new fund management unit in Halifax, Nova Scotia, was up and running. The Bank ended Friday at $59, just $1 below its 52-week high, after a week of unusually busy trading which saw 236,199 of its shares change hands.

The Index itself dropped slightly over the week, shedding 25.89 points (0.52 percent) to close on 4,968.21. Volume was 245,012 shares and turnover was $14,254,509.

The only issue besides the Bank to advance was Argus Group Holdings Ltd., which gained 35 cents (2.37 percent) to close on its 12-month high of $15.10.

KeyTech Ltd., the parent company of BTC, suffered by far the biggest decline, losing $4.55 (29.26 percent) to end the week on its 52-week low of $11, after 400 of its shares traded.

Bermuda Commercial Bank Warrants dipped 9 percent, as 700 shares traded and Belco Holdings fell 50 cents (2.13 percent) to close on $23 on a volume of 6,960 shares.

Bermuda Aviation Services Ltd. lost 5 cents (0.79 percent) to end Friday on $6.25.