The Globe and Mail Thyagaraju Adinarayan and Aaron Saldanha London Bookmark Please log in to listen to this story. Also available in French and Mandarin. Log In Create Free Account Getting audio file ... This translation has been automatically generated and has not been verified for accuracy. Full Disclaimer A strong start for world equities in 2021 after the fastest bear-to-bull market switch last year has prompted market mavens to flag worries about pricey assets, with BofA calling it the “mother-of-all asset bubbles.” The torrent of cash sloshing around world markets due to the unprecedented stimulus measures in place to fuel economies coming out of the pandemic-led recession has fed into the euphoric rush to equities, particularly Big Tech.