GameStop's stock rapidly rises as Reddit users bet against short sellers

GameStop’s stock has risen more than eightfold in January alone due to retail investors from Reddit’s “Wall Street Bets” board piling into it, betting against short sellers.
Walmart plans to expand its online grocery service by using small robots to assemble pickup and delivery orders.
HBO Max says activations of the streaming service doubled to 17.2 million in the fourth quarter compared to the previous quarter due to the release of "Wonder Woman 1984."