One of the most comprehensive studies of the state of banking and markets since the financial crisis has warned that dangerous undercurrents are a rising threat to the world economy.
The International Monetary Fund's Financial Stability Report said that although banks are far safer than they were in 2008, there are new risks.
The IMF said trade tensions are growing and inequality has risen.
It said further moves towards a trade war could significantly harm global growth.
The IMF added that other threats to trade, such as a disorderly Brexit.