On Monday a Chinese AI firm called DeepSeek blew a nearly $600bn hole in the value of Nvidia, an American chipmaker. It marked the biggest one-day loss in the history of America’s stockmarket. Now the question is what the DeepSeek surprise means for Nvidia’s monopoly-like profits.

And this week we launched our German election forecast. One thing seems certain: Friedrich Merz of the centre-right Christian Democratic Union will become chancellor. But all eyes are on the far-right, taboo-shredding and xenophobic Alternative for Germany, which looks likely to finish second.