Today's slowdown is truly global, with economies everywhere contributing to it. We witness "disappointing" growth, quarter by quarter, year after year. The consensus pays too much attention to China as the cause. So what really is behind all this?

This week's market correction is long overdue. It is also not over because the true underlying problems are much more serious than the commonly cited causes. And, at last, markets are teaching Xi and Li who in fact is the boss.

Indexing could be as problematic during the next few decades as it has been successful in the past few. This heightens the appeal of active management for those brave enough to pursue it.

China is a glass both half full and half empty. It will continue to grow and become a great superpower, but its future growth rate will be significantly lower than President Xi's "new normal" 6% forecast.

We are reminded daily that the US stock market has achieved record highs between 2009 and today. But the true bull market covers 35 years. What does an understanding it tell us about the future? The answer is: a lot.

The world was shocked by the oil price collapse. Anuraag Shah, who made a fortune betting on a falling oil price, summarised the astonishment - "It's nuts!". Actually, it isn't.