(Yicai Global) Aug. 28 -- Shares in Tencent Music, the streaming and entertainment arm of tech giant Tencent Holdings, have plummeted by the most in five months after a 21st Century Business Herald report suggested China's market watchdog may put an end to the company's exclusive deals with some of the world's largest record companies.

Its stock [NYSE:TME] fell 6.82 percent to USD12.57 yesterday.

The State Administration of Market Regulation began investigating the firm in January and is currently reviewing deals between Tencent Music and the likes of Universal Music Group, Sony Music Entertainment and Warner Music Group, according to the report, published yesterday.