Instant boom enjoyed by some sectors belies complex decisions to be made on AI, monopolies and social media

When the US election result pushed shares in the artificial intelligence chip giant Nvidia to a record high and did the same to the price of bitcoin cryptocurrency, the market gave its verdict on what Trump redux means for at least parts of the technology world – a boom.

Stock in the electric vehicle (EV) company Tesla surged by nearly 15%, which must have cheered its boss, Elon Musk, whom Trump called a “super genius” on Wednesday.