The Lucas Stock Index (LSI) rose 1.25 percent during the first period of trading in December 2017. The stocks of three companies were traded with 4,550,110 shares changing hands. There was one Climber and one Tumbler. The stocks of Republic Bank Limited (RBL) increased 11.57 percent on the sale of 50,000 shares. On the other hand, the stocks of the Guyana Bank for Trade and Industry (BTI) decreased 11.11 percent on the sale of 110 shares. In the meanwhile, the stocks of the Demerara Bank Limited (DBL) remained unchanged on the sale of 4,500,000 shares.