CVS Health Corp. is in talks to buy health insurance giant Aetna, The Wall Street Journal reported Thursday.
CVS is reportedly offering to purchase Aetna in a deal that could value the health insurer at $66 billion, or more than $200 per share.
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Aetna shares initially spiked more than 10 percent after news of the possible deal broke, the newspaper reported.
The company agreed to buy rival insurer Humana Inc. for $34 billion in 2015, but the deal never came to pass after it was blocked on anti-trust grounds.
Aetna announced earlier this year that it would pull out of its remaining ObamaCare markets, citing financial losses.