Even the backward explanation of what has really happened during the post-crisis period is not always easy:
One explanation is that the British stock market has been dragged down by banks and the oil and gas industry. These industries form about 28 per cent of the FTSE 100 now. On the other hand, the US stock market is much more diversified and balanced.
Over the long-run time span of fifteen years, things look very different and much more dramatic: