One of these peaks will be the peak, but predicting that ahead of time is not easy.

About $27 billion of gold changes hands every day in over-the-counter markets where settlements can sometimes take days. Using blockchain promises more transparency, security and speedier deals.

Gold has added 13 percent this year as Trump failed to deliver on campaign promises to ramp up U.S. growth by cutting taxes and boosting infrastructure spending.

Goldco releases a Bitcoin IRA, Ernest Romer III is accused of defrauding clients, and SIFMA redesigns its website to avoid "bottomless silos of information."

Even after a selloff last week amid rising tensions between the U.S. and North Korea, a Bloomberg Barclays index of global junk bonds still yields 5.3 percent, 100 basis points below the average for the past five years.

Institutional quant hedge funds have addressed the risk issues that caused 2007 losses, but the newer retail products cannot.

If anything, the market’s ability to bounce back is getting stronger.