Republicans in Congress better get tax reform done because the market is clearly fueled by the prospect. 

The Dow Jones Industrial Average gave back some of its gains on Monday, Dec. 4 after climbing nearly 200 points by the afternoon. The Dow still closed up 58 points, or 0.24%, to close at 24,290, a new record, following the weekend passage of tax reform in the Senate. At one point Monday, the Dow had risen more than 300 points.

The S&P 500 and Nasdaq both declined by 0.11% and 1.05%, respectively, as investors rotated out of growth stocks. Facebook Inc. (FB) - Get Report shares were caught up in the tech selloff Monday, falling 2% on Monday. 

Aetna Inc. (AET)  shares dropped 1.4% Monday after agreeing to be bought by CVS Health Corp. (CVS) - Get Report for $69 billion. CVS shares declined 4.7%.

Many financial stocks jumped. Bank of America Corp. (BAC) - Get Report  was up 3% while Capital One Financial (COF) - Get Report  gained about 2%. SunTrust Banks (STI) - Get Report  was up 3% on heavy volume. JPMorgan Chase & Co. (JPM) - Get Report was up 2%, and was one of the leaders on the Dow.

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Media stocks were some of the biggest winners Monday with Comcast Corp. (CMCSA) - Get Report  and CBS Corp.  (CBS) - Get Report joining Walt Disney Co.  (DIS) - Get Report and Twenty-First Century Fox Inc.  (FOXA) - Get Report as some of the market's biggest gainers. The move comes on a Wall Street Journal report that Disney and Fox have resumed their talks for Fox to sell some assets to its rival.

Retail was also showing strength Monday. Lowe's Cos.  (LOW) - Get Report was up 4.5% on heavy volume, Target Corp. (TGT) - Get Report  gained 5% and Ross Stores (ROST) - Get Report was up 3% on heavy volume.

Kentucky-based copper, aluminum and fiber-optic wire maker General Cable Corp. (BGC) shares were up 36% after the company agreed to be acquired by Italy's Prysmian SpA (PRYMY) for $3 billion.

Blue Apron (APRN) - Get Report shares were up 13% after analysts at Barclays upgraded to stock to "equal-weight" with a $4 price target after saying that the company has reached a stabilization point. 

In more media news, Discovery Communications (DISCA) - Get Report increased its stake in the OWN Network it co-owns with Oprah Winfrey to take a majority share. Discovery paid $70 million to increase its stake 24.5% for a total share of 70% of the company.

Comcast is a holding in Jim Cramer's Action Alerts PLUS Charitable Trust Portfolio. Want to be alerted before Cramer buys or sells CMCSA? Learn more now.

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