When the banking crisis crippled global markets seven years ago, central bankers stepped in as lenders of last resort. Profligate private-sector loans were moved on to the public-sector balance sheet and vast money-printing gave the global economy room to heal.
Time is now rapidly running out. From China to Brazil, the central banks have lost control and at the same time the global economy is grinding to a halt. It is only a matter of time before stock markets collapse under the weight of their lofty expectations and record valuations.
The FTSE 100 has now erased its gains for the year, but there are signs things could get a whole lot worse.