If financial crashes come around every 10 years or so then we are due one pretty soon. Brexit may trigger it.
Depends on your definition of "trigger" I suppose.
I would argue that the trigger is likely to have already happened.
Economies expand and contract... and people seek pleasure and avoid pain.
If we lived within our means, that is, to spend inside the lines of GDP, then we wouldn't have the modern day economic cycle. We would spend no more than what we have, and therefore have no debt to pay back (economic deleveraging). But we do spend beyond our means, and eventually the economic expansion is no longer sustainable, and growth slows down. Eventually turning into a contraction/recession, which in turn eventually slows down, and eventually turning around the other way. Rinse and repeat.
The whole world is slowing down, as per the data. The US is slowing down, and they are using "not QE" to give the impression that the economy is doing better than it is. Look at the FEDs balance sheet. It's been increasing again. Their Indices are being propped up by the FED. Trump has also been good for stocks. I wonder if the collapse can last until the end of his term... or whether it will change its trajectory inside the next 4 months...
Brexit and the trade war, particularly at such a late stage in the cycle has massive potential to push us into a downward motion. Particularly the Trade War. Obviously not all economies are in the exact same state, so various factors will affect some in different ways, or in more immediate ways.
I wouldn't have a fine graps on things, so i'd be hesitant to make micro claims. But speaking in a Macro sense, I think the writing has been on the wall for the past few months.