After four years out of office, he vows to quickly undo many of the policies of his departing predecessor, Joe Biden.

There is no simple route to valuing China's Xiaomi. The company, best known for its smartphones and internet-connected rice cookers, air purifiers and other gadgets, began selling electric cars last ...

The Trump camp is doing its victory lap. But when the dust settles, political realities could cause problems for such a broad church.