Shares of Instacart (NASDAQ:CART) are 2.6% higher at $30.91 at last glance, following a bull note from Gordon Haskett. The analyst upgraded CART to "buy" from "hold," citing the security's overdone selloff and upbeat early data for the second quarter.Coming into today, the brokerage bunch was split on Instacart stock. Of the 21 covering brokerages, 13 rated CART a "strong buy," while eight recommended a tepid "hold." This leaves the security open to even more bull notes. A recent floor at the $30 level help ...