3 Mergers Investors Are Watching Today

Tuesday started with plenty of M&A activity. Here's a brief recap of deals that went down.

Shares of Charter Communications, Inc. (NASDAQ: CHTR) were up about 8 percent, after news 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., Charter (the fourth largest) will become the second-largest cable operator in the country, trailing Comcast Corporation (NASDAQ: CMCSA).

Shares of Endurance Specialty Holdings Ltd. (NYSE: ENH) were down more than 4 percent, as the Bermuda insurer said it had reached an agreement to buy property and casualty re-insurer Montpelier Re Holdings Ltd. (NYSE: MRH) 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 were up slightly.

CBRE Group Inc (NYSE: CBG) was surging nearly 6 percent after it announced that it would purchase the Global WorkPlace Solutions business of Johnson Controls Inc (NYSE: JCI) for $1.475 billion in cash.