The Week Explained: Insider buy-backs

Directors of listed Hong Kong companies have been increasing the purchases of their own shares after a lull in this kind of activity earlier in the year. Also, rather intriguingly, Berkshire Hathaway has made a US$1.2 billion buy-back of company shares. The purchase defies US investment guru (and Berkshire head) Warren Buffett's own maxims.

Buffett is famous for criticising directors for overpaying for shares in their own companies, which he says is done to pump up the share price.

via Business feed http://www.scmp.com/business/money/money-news/article/1109857/week-explained-insider-buy-backs