Global tech stocks have plunged after the Democrats’ victory in the US midterm elections, with fears of a slowdown in AI development. Major tech corporations including Apple, Tesla and Nvidia shed about $1tn in a single trading session. Is this stock market jitters, or a sign the AI bubble might be about to burst? Lucy Hough speaks to senior economics correspondent Richard Partington

Democrats have won a historic sweep in the US midterm elections, winning back control of Congress in a major setback for Donald Trump. Senate seats went blue in traditional Republican strongholds such as Texas, South Carolina and Kansas, where the Democrats had their first win since 1932. Voters have sent a strong message of discontent to the Trump administration over the economy, the cost of living and rising gas prices. Trump is now a lame-duck president for the rest of his term. Lucy Hough speaks to our Washington editor, Ankita Rao

Democratic congresswoman Haley Stevens has endorsed the Republican candidate for the Senate after a spat with her party’s own candidate in Michigan, Abdul El-Sayed. The endorsement stunned Stevens’ Democrat colleagues, with one calling it a ‘despicable betrayal’ on the eve of the midterm elections. So what will it mean for the race? Lucy Hough speaks to US southern bureau chief and host of Anywhere but Washington Oliver Laughland