This is the market Ben Inker has been waiting for. In the grip of Wall Street’s big rebellion against President Donald Trump’s tariff agenda – with stocks down around 2% this week even after Friday’s big rebound – Inker is among a cohort of investors making money in this year’s volatility spiral.

A 10% drop is a big enough deal that professional investors have a name for it — a “correction” — and the S&P 500’s 1.4% slide on Thursday sent the index to its first si