ABB Ltd.’s orders rose in the fourth quarter, as demand for power hungry data centers drives growth in the Swiss manufacturer’s electrification business.  Orders climbed to $8.1 billion in the three months through December, a 7% increase from the same period a year earlier on a comparable basis, the Zurich-based company said Thursday. Net income rose 7%. Still, speaking to Bloomberg's Tom Mackenzie, ABB CEO Morten Wierod acknowledged some market uncertainty and an adverse impact from exchange rates, mainly the appreciation of the dollar.