The big US technology stocks remained under pressure overnight, sending the Nasdaq down. Investors' nerves are fraying ahead of central bankers' US meeting, where big news could be made, if history is our guide. James Hardie crashed out on the ASX yesterday, but banks held the market up. Today is another big one for reports.

Stocks include Apple, Amazon, Tesla, Nvidia, Target, Walmart, NAB, HMC Capital, Centura Capital, Yancoal, James Hardie, Brambles, Goodman, Northern Star, Whitehaven, Domain, Megaport, Auckland International, Skycity