The purchase of IDG gives it control of a global tech-publishing and market-research concern founded in 1964 in Newton by Patrick McGovern. His estate had owned the company since his death in 2014.
IDG Capital, China's first technology venture-capital concern, founded by McGovern and one of his executives in China, will hold a minority stake in the company, which will continue to be headquartered here.
The Globe reports on aggressive security measures against homeless people in North Station, including a Dec. 9 incident in which surveillance video apparently shows a guard smashing a man in the face with his own cane on Dec. 22.
Boston firefighters responded around 10:55 p.m. to 92 Monument St. in Charlestown for a fire that started in a mattress on the second floor of a three-story apartment building. The fire was declared knocked down around 11:10 p.m.