Some insights into what caused markets to tumble last week, focusing on concerns about a second wave of the pandemic and a dovish Federal Reserve.  It was a week when many stocks delivered negative returns and in relative terms it was the defensive stocks that performed best.  Stocks mentioned this week include AstraZeneca, which is signing more agreements for the distribution of Oxford University's Covid-19 vaccine, and BP, which is looking to reduce its workforce by 15% and is looking to make some big write-offs in Q2.  Listen to find out more.