AI tech giant Nvidia set to report earnings

It's being called a "massive day for global markets", with American AI technology giant Nvidia set to report its fourth quarter earnings. US stocks have taken a battering over the last week and Wall Street commentators say hopes are resting on the shoulders of Nvidia - one of the world's most valuable companies - to stop the rot. Wedbush Securities Analyst Dan Ives spoke to Ingrid Hipkiss from Signapore.