Retail traders stampeded into Allbirds after the troubled shoemaker slapped an artificial intelligence label on its business, a set-up that market history suggests rarely ends well once the initial hype fades. Shares of the company skyrocketed as much as 582% on Wednesday after the firm detailed shocking plans to rebrand as NewBird AI and shift toward compute infrastructure. The surge added more than $100 million to its market value, which had been just $21 million a day earlier. Retail