Stocks making the biggest moves midday: MoneyGram, Constellation Brands, Marriott and more

cnbc.com:

Check out the companies making headlines in midday trading.

MoneyGram International — The global remittance company's shares surged by almost 19% following news that the private equity firm Madison Dearborn Partners will acquire MoneyGram in a deal valued at about $1.8 billion.

Fidelity National Information — Financial services technology firm FIS fell more than 8% and was one of the top decliners in the S&P 500 after reporting results for the most recent quarter. Revenue came in at $3.67 billion, compared to FactSet estimates of $3.71 billion. Current-quarter earnings and revenue guidance fell short of estimates as well.

Constellation Brands — The alcoholic beverage maker's shares fell nearly 4% following a Bloomberg News report that discussions of a merger with Monster Beverage are progressing and that an agreement between the two companies could be reached within weeks. Monster shares ticked up slightly.

Arista Networks — Shares jumped 7% after the software company reported quarterly earnings of 82 cents per share, which was 9 cents higher than analysts' estimates. The company also reported a revenue beat and issued an upbeat forecast.

Marriott International — Shares of the hotel chain jumped 5% after Marriott beat estimates on the top and bottom lines for the fourth quarter. The company reported $1.30 in adjusted earnings per share on $4.45 billion of revenue, powered by the continued recovery in global travel. Analysts surveyed by Refinitiv were expecting 99 cents in earnings per share on $3.96 billion of revenue.

Avis Budget Group — The car rental company saw its shares fall more than 11% even after it posted a better-than-expected profit and revenue for its latest quarter and showed increases in rental activity