--Almacenes Exito climbs 1.67%

--State-run oil firm rises 0.75%

--Peso weakens to COP1,962.4

Colombian stocks rose Tuesday, fueled by gains in oil and retail stocks, while the peso weakened sharply against the dollar.

The Colcap index, the benchmark for Colombia's largest publicly traded companies, rose 0.8% to the end the session at 1525.05 points. The index has declined 16.38% so far this year.

Among the most heavily traded stocks, the gains were lead by Almacenes Exito, Colombia's largest retailer and an outfit controlled by Casino Guichard-Perrachon SA (CO.FR). Exito's shares rose 1.67% to COP23,520.

State-run oil firm Ecopetrol SA (EC, ECOPETROL.BO) climbed 0.75% to COP4,045. Pacific Rubiales Energy (PRE.T, PEGFF), meanwhile, declined 0.93% to COP38,500.

The peso weakened sharply against the greenback and closed at COP1,962.4 from COP1,950.25 a day earlier.

The yield on Colombia's peso-denominated bond due July 2024 closed at 7.674%, after opening the session at 7.661%.