Stocks tumbled Friday, leaving the Dow and S&P 500 with worst monthly loss in 3 months, as volatile trade in a batch of small, heavily shorted companies raised broader bubble concerns in a market already worried about factors that could slow the economic recovery.
The U.S. biotech has produced an interim assessment of its Phase-3 trial in the U.K., for which I volunteered last year. And it shows the vaccine is 89% effective against the disease.
GameStop Corp. and AMC Entertainment Inc. shares burst out of the gate Friday and hold on to sizable gains as an army of social-media rallying retail investors seek to take on established Wall Street firms.
Stock benchmarks head lower Friday, with the worst week since last October in view, amid concern that a slow coronavirus vaccine rollout may delay further economic recovery and on fears that volatile trading in a batch of small, heavily shorted companies may reflect a speculative bubble across the wider market.