BENGALURU : Approvals for a potential COVID-19 vaccine later this year could threaten the recent surge in speculative investment in big U.S.
technology companies and pull investors back towards more traditional growth-linked cyclical stocks, according to analysts at Goldman Sachs.Seen as "stay-at-home" winners in the coronavirus lockdowns, shares in Apple Inc, Facebook Inc, Amazon.com and Alphabet have surged this year and now account for nearly a fifth of the S&P 500's stock market value.Bumper results from the iPhone maker last week pushed it past Saudi Aramco to become the world's most valuable publicly listed company and heading towards a $2 trillion valuation.In a global markets research note sent to clients, Goldman analysts said the.