Check out the companies making headlines before the bell: UnitedHealth — The largest health insurer by revenue rose more than 1% after beating analysts' third-quarter expectations. BlackRock — BlackRock fell by 1.8% premarket after missing third-quarter revenue forecasts. Wells Fargo — Wells Fargo added nearly 2% after third-quarter earnings and revenue topped expectations . Citigroup — Citigroup was higher by 2% after beating third-quarter revenue expectations. The Jane Fraser-led bank reported revenue of $20.14 billion, more than the consensus estimate of $19.31 billion from LSEG.

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Persons: LSEG, BlackRock —, Gordon Haskett, Wells, Jane Fraser, Morgan Stanley, Tanaya Macheel Organizations: Dow Jones, BlackRock, BlackRock — BlackRock, Blackrock, PNC Financial Services Group, Pittsburgh, PNC, Revenue, LSEG, JPMorgan Chase &, Citigroup — Citigroup, Post Holdings, JPMorgan Locations: LSEG, Wells, Louis