If there’s an expression that has been overused in the last 72 hours in financial markets, it’s certainly "the canary in the coal mine". Is Silicon Valley Bank (SVB Financial) the "canary in the coal mine", i.e. the first domino in a catastrophic series? US authorities have ensured that this is not the case, but by sending an insidious message: take risks, we will always take care of the rest. Investors seem reassured. Let's examine this in a little more detail.