There have been signals from investors that they are worried about the increasing threat of inflation in the US economy. With the supply bottlenecks already prevalent from the pandemic and although the Suez Canal is now operational the impact of it being blocked to shipping will inevitably lead to increasing costs for businesses. Furthermore the huge stimulus that has been injected into the circular flow by governments is expected to put pressure on prices i.e. lower interest rates and increased government spending
Below is a diagram that I have found useful to show the differences between cost push and demand pull inflation.