Citigroup has said that demand for Islamic bonds from the Middle East is expected to return to “pre-crisis” levels by the end of the third quarter, as firms restructure debt and investors are lured by higher yields, Bloomberg has reported. “The yields offered here are high, and investors globally are willing to take the risk of investing here to get that spread and return,” says Samad Sirohey, Dubai-based CEO of Citi Islamic Investment Bank EC.