The Chinese markets traded lower ahead of another series of economic data due on Saturday, including retail sales, industrial production, and fixed asset investment.
The main Shanghai Composite index closed down 20 points, or 0.58 percent, at 3,435. The smaller Shenzhen Composite was down 16 points, or 0.72 percent, at 2,195. Away from the mainland, Hong Kong's Hang Seng Index was down 231 points, or 1.07 percent, at 21,474.
Local media Caixin reported overnight another Chinese executive has gone missing. This time, it's 48-year-old Guo Guangchang, chairman of Fosun International. He is known as "China's Warren Buffet." Caixin said passengers at Shanghai airport saw Guo being taking away by the police as he traveled back from Hong Kong.
The company held an internal meeting to discuss the incident.
Tencent Finance reported Li Haifeng, vice president of Fosun International, said the company does not yet have a clear picture of the exact situation. In August, Xinhua reported Guo granted favors to an executive of a Chinese state-owned company 12 years ago in exchange for unspecified benefits. Meanwhile, all of Guo's posts on his Weibo account was removed on Thursday evening.
Shares in Fosun International and Fosun Pharmaceutical were on a trading halt. Fosun Pharmaceutical's April 2017 bond was down around 1.8 percent, according to Reuters. Five other listed companies under the Fosun Group also suspended trade.
Elsewhere, the People's Bank of China (PBOC) set its official midpoint rate at 6.4358 per dollar, its weakest level since August 2011 and 0.2 percent lower than Thursday's fix. The yuan traded lower at 6.4448 against the dollar.
Shares in Chinese brokerages and banks closed mixed. Citic Securities pared losses to close up 0.22 percent, Founder Securities remained unchanged, and Huatai Securities was up 0.37 percent. Banks were down between 0.16 and 1.21 percent.
Glencore shares in Hong Kong were up 10.9 percent. Overnight, its stock was up 7 percent in London after the Swiss miner said it will further cut its debt and gave an upbeat earnings forecast. Glencore shares have fallen over 70 percent since the beginning of this year.