Flutter Entertainment reported a rise in revenue in 2021 with a strong rise in customers as its FanDuel operation in the US remains on track for profitability in 2023. For 2021, the Paddy Power-owner sunk to a GBP288.4 million pretax loss compared to the GBP1.1 million profit recorded in 2020, after taking a GBP543 million charge for non-cash amortisation from acquired intangibles.