Is Maplebear (CART) Fully Priced As Sale Talks Stir Fresh Valuation Questions?

M&A chatter around Maplebear (CART) has intensified after reports that Instacart is exploring a potential sale to buyers such as Uber and DoorDash. Talks are ongoing and outcomes remain uncertain. Maplebear's share price has been volatile in October, with the latest M&A talks landing on top of a run of headlines that include new partnerships with Big Y and True Rx, the Caper Cart wind-down, and a recent regulatory settlement. Despite a 1-day share price return that declined 1.31% to US$60.08, momentum has been strong, with a 7-day share price return of 18.36% and a 30-day share price return of 39.11%. Over a longer window the picture stays strong, with a 90-day share price return of 31.64%, a year to date share price return of 36.