Tesla results show that it has recorded its first quarterly decline in deliveries since 2020, when the coronavirus pandemic erupted. The US company led by tech billionaire Elon Musk delivered 386,810 of its electric cars to customers between January and March, according to its own figures. In the same quarter of the previous year the figure was almost 423,000. Analysts had expected an average increase to just over 449,000 deliveries in the first quarter of 2024. Tesla shares, which have already weakened this year, fell by more than 5% in early US trading on Tuesday. Tesla has recently had to t…