An image of Carnival Splendor cruise ship at the Overseas Passenger Terminal in Circular Quay on March 22, 2020 in Sydney, Australia.
Izhar Kahn | NurPhoto | Getty Images
It is "far too early" to abandon the reopening trades that led the S&P 500 higher in the first half of 2021, according to one of JPMorgan's top market strategists.