Many of them used the AMBA chip to produce among the highest quality of video.

FORBES: Low-Profile Newcomer Ambarella May Make A Big Splash

AMBA, a British-based accreditation agency for business schools, says its members are being badly hurt.

ECONOMIST: Business education

Some of these risks, according to Upendra Choudhary, senior vice president of credit services at Amba Research, include trading risk (some of these markets are thinly traded and have low liquidity), political risk and transparency risk (some areas have no or at least confusing accounting standards).

FORBES: The Next Frontier