Local stocks mixed Royal Gazette Staff Created: Dec 18, 1996 10:00 AM yesterday. Bank of Bermuda closed up 50 cents at $17.50 while Bank of Butterfield was off 50 cents at $9. The index closed at 929.68, down .28 points. ---- Chart, Page 38 Related Stories Insurance M&A activity may be on horizon Teenager launches vegetable-garden business Institute of Directors launch new website Meritus Trust acquires Lepercq Related Media