The Royal Gazette/ Bermuda Stock Exchange (BSX) Index tumbled by three percent during a week in which the share prices of six companies fell, while none rose.

The BSX Index ended last week down 95.96 points (or 2.97 percent) at 3,221.08, its lowest point since the summer of 2005.

Both the Exchange's largest company by market capitalisation, Butterfield Bank, and its third largest, Argus Group Holdings, are trading at 52-week lows, having both slipped this week.

Butterfield dropped 40 cents (four percent) to continue its slide of recent months. It closed Friday on $9.50, as 28,152 of its shares traded.

Insurer and pension provider Argus was trading at $9.30, down 45 cents (4.6 percent) for the week, with 2,321 shares changing hands.

On the plus side for new investors, Argus sent out an unchanged quarterly dividend of 16 cents per share, indicating that those buying at the current stock price would receive a dividend yield of 6.9 percent, should the dividend remain at the same level in future.

Media company Bermuda Press Holdings Ltd. fell $1 (7.7 percent) to $12 to suffer the biggest fall of the week, on the trading of 3,00 shares.

Communications group KeyTech Ltd. was traded actively last week, as 6,900 of shares changed hands. The company's share price fell 20 cents (two percent).

Bermuda Aviation Services Ltd. was the other issue to fall, shedding 15 cents (2.3 percent), as 2,400 shares traded.