Three Mergers Investors Are Watching Tuesday: Charter Communications, CBRE Group, Endurance Specialty Holdings

Tuesday started with plenty of M&A activity, and at Benzinga, we are all about keeping our readers updated. So, here's a brief recap of what's going on: Shares of Charter Communications, Inc.

are up about 8 percent, after news transcended about the company acquiring cable operator Bright House Networks LLC for $10.4 billion in cash and stock. Following the purchase of the sixth-largest cable operator in the U.S., serving about 2 million customers, Charter (the fourth-largest) will become the second-largest cable operator in the country, only trailing Comcast Corporation

. In other news, shares of Endurance Specialty Holdings Ltd.

are down more than 4 percent on Tuesday morning, as the Bermuda insurer said it had reached an agreement to buy property and casualty reinsurer Montpelier Re Holdings Ltd.

for $1.83 billion in cash and stock. According to Endurance, the merger would combine two companies that wrote gross premiums for a total of $3.6 billion in 2014. Shares of Montpelier are slightly up on Tuesday. Finally, CBRE Group Inc

is surging –approximately 5.5 percent on Tuesday morning- after it announced that it would purchase the Global WorkPlace Solutions (GWS) business of Johnson Controls Inc

for $1.475 billion in cash. According to a MarketWatch article, "together, CBRE and GWS will manage nearly 5 billion sq. ft. of real estate and corporate facilities globally, including 2.3 billion sq. ft. in the Americas, 1.2 billion sq. ft. in Europe, the Middle East & Africa and 1.4 billion sq. ft. in Asia Pacific."