The Managing Director of GCB, Simon Dornoo is attributing the banks' good run on the Ghana Stock Exchange to strong earnings posted last year.The bank's profit for 2012 stood at 192 million Ghana cedis the highest in the industry so far.It's share price has also gone up by 143 percent since January, the best so far on the exchange.Mr. Dornoo is optimistic they would end the year offering one of best returns to shareholders.Meanwhile, GCB’s is now putting the current Tema Oil Refinery debt to the bank at 50 million dollars.Government in 2011 cleared about a billion dollars owed the bank by issuing.