Spain's troubled property company Colonial said on Tuesday that US investment bank Goldman Sachs and German commercial lender Eurohypo are exercising their call options to buy part of Colonial's stake in units Fomento de Construcciones y Contratas (FCC) and Societe Fonciere Lyonnaise (SFL). Goldman Sachs has bought a 3.4% stake in FCC, while Eurohypo is to purchase a 3.4% stake in FCC and a 7.25% stake in SFL.