West Hamilton Holdings Ltd was the biggest mover on The Bermuda Stock Exchange (BSX) yesterday.The developer fell 18.3 percent ($1.40) to $6.25 with 14,000 shares traded.Bermuda Aviation Services Ltd also dropped 10 percent (40 cents) to $3.60 as 2,500 shares changed hands.Other decliners included Butterfield Bank’s preference and common shares, which slipped 1.6 percent ($20) and 1.4 percent (two cents) respectively.BF&M Ltd and KeyTech Ltd also dipped 0.7 percent (10 cents) and 0.2 percent (one cent) respectively.But the Ascendant Group Ltd bucked the trend, climbing 1.4 percent (20 cents) to $14 with 700 shares transacted.Argus Group Holdings Ltd, meanwhile, traded 3,500 shares, however its share price held firm at $5.25.Overall the Index was up 2.51 points (0.2 percent) at 1,200.22 as 87,058 shares worth BD$321,707.80 and two shares worth US$2,460 changed hands.The BSX Insurance Index also rose five points (0.51 percent) to 982.