How a tear made UK stock market plunge

Rachel Reeves, the UK finance minister, was tearful last Wednesday during prime minister’s questions (PMQs). She looked miserable as the prime minister rose to take questions after a U-turn over the government’s proposed law to cut benefits for the disabled.

First off the mark was the leader of the opposition, Kemi Badenoch, who sensing Rachel Reeves’ moment of weakness, pounced with a killer question: would she stay in post she enquired?

There was she claimed a £3 billion...