Eleanor Laise and Jason Zweig sum up the new rules for ETF investors after reflecting on the May 6 flash crash which saw some exchange traded funds temporarily trade close to zero.
The advice is mostly common sense – know your risk tolerance, don’t use stop loss orders and check the bid-ask spread.
However, several of the rules conclude with “consider mutual funds”. Unfortunately, that’s just bad advice. Mutual funds are costly, mysterious and, overall, not investor friendly.
Just one example, there is no bid-ask spread for a mutual fund because the manager sets the price at which you buy or sell. You have no say in the matter.
Some of the ETFs that had trades cancelled as a result of the May 6 flash crash include: