Dangerous Week on Wall Street Fires Up ‘Diversify Or Else’ Bets

A breakthrough in China shakes the US tech sector to its core. Tariff drama escalates with President Donald Trump vowing action against major trading partners. A hawkish Federal Reserve jars inflation-obsessed traders anew.

And yet despite all the volatility of late, the biggest equity benchmarks weathered much of the turbulence this week, providing another occasion for buy-and-hold advocates to claim victory. But the market whiplash is also empowering a motley crew of Wall Street issuers who spot a money-making opportunity — one that’s struggled to work for years.