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Traders work at the post where UnitedHealth Group is traded on the floor of the New York Stock Exchange.

UnitedHealth Group's (UNH) quality quarterly results Friday are a good sign for the broader health-care landscape, CNBC's Jim Cramer said.

The managed-care giant earned an adjusted $6.56 per share on revenues of $92.4 billion in the three months ended Sept. 30. Both figures topped Wall Street expectations.

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