Very few top managers have intimate knowledge of Siemens's sprawling businesses, ranging from medical equipment to trains.

ECONOMIST: German business

It means that enterprises have the opportunity to help their IT professionals retrain their skills, maintain job security and not lose the intimate knowledge of the enterprise many of these DBAs have gained over the years.

FORBES: Combating the Big Data skills shortage

Share-buying by corporate insiders can have an outsize impact because it suggests that people with intimate knowledge of the company believe it is too cheap.

ECONOMIST: If no one else can help