Taxi drivers protest as rule-free private cars take fares across London, say Olga Kharif and Amy Thomson.

The listing of Alibaba on the stock exchange in New York could be the largest technology debut in history, writes Alexei Oreskovic.

Smart watches are all the rage. Well, at least the notion of smart watches is. But are smart watches really worth the money? Will they rank high on wish lists for this holiday season? Will the segment all-out explode in 2014?