RIYADH: Emirati sovereign investor Mubadala Investment Co. posted a 70 percent jump in comprehensive income in 2021, the strongest financial year in its 20 history, boosted by an upswing in investment returns and assets. The firm"s comprehensive income surged to 122 billion dirhams ($33 billion) in 2021, compared to 72 billion dirhams in 2020, WAM reported. Its assets stood at 1.045 trillion dirhams compared to 894 billion dirhams last year. The growth was driven by investment returns, monetizing certain assets, and forming new partnerships.