U.S. stocks traded at record highs, as investors reacted to the passage of a Senate tax reform bill. The Dow and the S&P 500 were in the green. The Nasdaq, meanwhile, was lower.

Shares of CVS Health Corp. (CVS) dropped after the company announced that it would buy health insurer Aetna for $69 billion dollars. It is a cash-and-stock deal that values Aetna at about $207 a share.

Walt Disney Co. (DIS) stock was a top performer for the Dow. Shares jumped following reports that Twenty-First Century Fox Inc. (FOXA) has revived talks to sell parts of its business to the House of Mouse.

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