Shares of Nvidia Corp. soared 18.03%, Delta Air Lines Inc. jumped 23.38%, Advanced Micro Devices added 23.82% and Tesla Inc.

Given the current sharp selloff in markets, how have traditional diversifiers performed? Tail Hedging turned out to be quite reliable in the current episode.

Savers pulled vast sums of 401(k) money from stocks and shifted to more conservative investments, in response to the ...