ASX 200 live: US tariff fears grip investors; Opthea's fresh blow; Domain, CoStar talks progress

Markets brace for Trump's 'Liberation Day'. US recession probability doubles: GS. Nine, Domain fall amid CoStar talks. RBA, ASIC salvo weighs on bourse operator ASX. 

Investors are on the hunt to shelter from a number of domestic and global swing factors. Picture: David Swift

Welcome to the Trading Day blog for Monday, March 31. The ASX 200 index closed 1.7 per cent lower to 7843.40 points with all sectors in the red, led by mining and tech stocks.

Wall Street ended Friday with sharp falls as the S&P 500 sank 2 per cent, the Dow Jones index fell 1.7 per cent and the technology-focused Nasdaq shed 2.7 per cent.

Cryptocurrency giant bitcoin is above $US83,000 at 5.10pm AEDT.

The Aussie dollar is trading around US62.81c.

Originally published as ASX 200 live: US tariff fears grip investors; Opthea's fresh blow; Domain, CoStar talks progress