U.S. markets have had their biggest daily drop in almost two years, as investors evaluate the impacts of higher prices on earnings and the possibility of monetary policy tightening

The S&P 500 dropped by 4 per cent, while the Nasdaq fell the most amongst other major benchmarks.

Meanwhile, retailer Target down was down more than 20 points in its worst performance since 1987, and Apple and Amazon.com both slid.

The U.S. dollar rose against all Group-of-10 counterparts, except the yen and Swiss franc.

The S&P is slowly emerging from its longest slump since 2011, but rebounds are fragile amid tightening policy, the war in Ukraine and lockdowns in China.

It comes as Federal Reserve Chair Jerome Powell warns U.S. central bank will raise interest rates until there is “clear and convincing” evidence inflation is in retreat.

Looking to other parts of the world, and Europe saw new-vehicle sales shrink for a 10th month in a row.

Over in the United Kingdom, inflation rose to its highest level since Margaret Thatcher’s reign 40 years ago.