Borsa Istanbul is removing a factoring company at the center of Turkey’s crackdown on investment funds from its indexes of the country’s most valuable stocks. Destek Finans Faktoring AS has been dropped from the Borsa Istanbul 30 Index and the Borsa Istanbul 100 Index, according to a statement announcing quarterly benchmark changes. The exchange also excluded finance company Katilimevim Tasarruf Finansman AS from the 100-stock index.