On October 21st he was appointed head of the Istanbul stock exchange.

10月21日，他被任命为伊斯坦布尔证交所负责人。

Doing so could set off another rout, says Ibrahim Turhan, a former head of the Istanbul stock exchange.

伊斯坦布尔证券交易所前负责人易卜拉欣·图尔汉表示，这样做可能会引发另一场暴跌。