Speculation that Apple was about to shift manufacturing of its Mac range grew when some of the products in its latest line had the words "Assembled in USA" inscribed on the back.

BBC: Tim Cook

Some analysts argue that Siemens should have never gone into making handsets because it is a completely different business from its other manufacturing activities, which range from trains to medical equipment and power turbines.

ECONOMIST: Siemens

As a result a whole range of downstream manufacturing grew, for example, the manufacture of chainsaws.

ECONOMIST: Letters