Companies continued to open up their wallets for M&A in the second quarter of 2018.

In the first half of 2018, there were 16 transactions of $10 billion or more involving a U.S. company, according to data compiled by TheStreet's sister publication The Deal. 

Here's a quick recap.

Notable 2Q Deals

Walmart Inc. (WMT)  said it will pay $16 billion for Flipkart Pvt Ltd., an online retailer based in India. 

Kohlberg Kravis Roberts & Co. made a play for Envision Healthcare Corp. (EVHC) for $9.9 billion.

Notable Deals Hanging In the Balance 

Walt Disney Co.'s (DIS) continued wins in its pursuit of Twenty-First Century Fox Inc. (FOX) over Comcast Corp. (CMCSA) shows the deal is progressing. Earlier this week, Disney's proposed merger was approved by the Department of Justice with one caveat -- Fox must sell 22 regional sports networks.

Express Scripts Holding Co. (ESRX) entered into an agreement to sell itself to Cigna Corp. (CI) for $66.1 billion.

Here's what Cigna's CEO David Cordani told TheStreet about the deal. 

Who Won the M&A Advisory Game In 2Q?

Goldman, Sachs & Co. (GS) advised on the most deals in the second quarter with a total of 69. JPMorgan Chase & Co. (JPM) took second place with 53. And Morgan Stanley (MS) was in third with 49 deals.

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