On a more positive note, Guggenheim upgraded GSK to buy thanks to strength across multiple product pipelines. Elsewhere, RBC upgraded Lyft to outperform, calling for a major rally ahead. Analyst Brad Erickson upgraded Lyft shares to outperform from sector perform, and raised his price target by $6 to $23, implying roughly 40.7% potential increase. — Pia Singh 6:10 a.m.: DoorDash upgraded by RBC on new partnerships potential, higher order growth RBC Capital Markets upgraded DoorDash to outperform from sector perform. Analyst Seamus Fernandez upgraded shares to buy from neutral and assigned a £20.31 price target, representing 21% upside to GSK's latest close.

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Persons: Guggenheim, Wells Fargo, Timur Braziler, Braziler, — Pia Singh, Lyft, Brad Erickson, Erickson, Seamus Fernandez, Fernandez, Citi downgrades Ferrari, Ferrari, Harald Hendrikse, Fred Imbert Organizations: CNBC, Citi, Ferrari, GSK, RBC, Popular, RBC Capital Markets RBC Capital Markets, DASH, Capital Markets, Guggenheim Securities, drugmaker GSK, Guggenheim Locations: Wells Fargo, Puerto Rico, U.S, Wells, Shingrix, Arexvy, Milan