The following are the M&A deals, rumors and chatter circulating on Wall Street for Monday, May 22, 2017.

Nutraceutical to be Acquired by HGGC for $41.80/Share in Cash

The Deal:

Nutraceutical Int'l Corp. (NASDAQ:NUTR) and HGGC announced Monday that they have entered into a definitive agreement under which Nutraceutical will be acquired by an affiliate of HGGC for $41.80 per share in cash, or approximately $446 million, including debt to be refinanced. The transaction is expected to close in H2 of 2017 and is subject to stockholder approval.

Nutraceutical closed at $42.15, up $14.156 or more than 50 percent.

Changyou Reports Receipt of Preliminary Non-Binding Bid of $41.20/ADS

The Offer:

Changyou.com Ltd (ADR) (NASDAQ:CYOU) announced its board of directors received a preliminary nonbinding proposal letter, dated May 22, 2017, from Chairman Charles Zhang, to acquire all of the outstanding Class A and Class B ordinary shares of the Company, for $21.05 in cash per Class A or Class B ordinary share, or $42.10 in cash per ADS. The Board intends to form a special committee consisting of independent directors to consider the proposal.

Changyou closed at $40.18, up $1.54.

Clariant and Huntsman to Combine in All-Stock Deal

The Deal:

Huntsman Corporation (NYSE:HUN) and Clariant (OTC:CLZNY) announced that their Boards unanimously approved a definitive agreement to merger their companies via an all-stock transaction. Huntsman-Clariant will have a combined enterprise value of approximately $20 billion. Clariant shareholders will own 52 percent of the merged company, with Huntsman shareholders owning 48 percent.

The transaction is targeted to close by year end 2017, subject to Clariant and Huntsman shareholder approvals, regulatory approvals

Huntsman closed at $26.15, down $0.56.