The following are the M&A deals, rumors and chatter circulating on Wall Street for Wednesday June 20, 2012:

Quest Software, Insight Venture Partners and Vector Capital Enter Into Amendment to Merger Agreement

The Deal:

The following are the M&A deals, rumors and chatter circulating on Wall Street for Monday June 18, 2012:

Yamana Gold Acquires Extorre Gold Mines

The Deal:

The following are the M&A deals, rumors and chatter circulating on Wall Street for Friday June 15, 2012:

Valeant Pharmaceuticals Agrees To Acquire OraPharma

The Deal:
Valeant Pharmaceuticals (NYSE: VRX) announced Friday that Valeant has agreed to acquire OraPharma, a specialty oral health company that develops and commercializes products that improve and maintain oral health, from Water Street Healthcare Partners, a private equity firm focused exclusively on the health care industry.

The following are the M&A deals, rumors and chatter circulating on Wall Street for Thursday June 14, 2012:

Quest Software Announces Receipt of Superior Proposal

The Offer:
Quest Software (NASDAQ: QSFT) announced Thursday the receipt of a proposal from a strategic bidder to acquire all of the outstanding shares of Quest common stock for $25.50 per share in cash.

The following are the M&A deals, rumors and chatter circulating on Wall Street for Wednesday June 13, 2012:

Talbots and Sycamore Partners Agree to Extend Date for Commencement of Tender Offer

The Deal:

The following are the M&A deals, rumors and chatter circulating on Wall Street for Tuesday June 12, 2012:

IHS to Acquire GlobalSpec

The Deal:
IHS (NYSE: IHS) announced Tuesday that it has signed a definitive agreement to acquire GlobalSpec from Warburg Pincus. The $135 million acquisition is subject to customary closing conditions, including expiration or termination of the applicable waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976.

The following are the M&A deals, rumors and chatter circulating on Wall Street for Monday June 11, 2012:

Hearing Chatter of Ancestry.com Receiving NDA's from Private Equity Firms

The Rumor:
Ancestry.com (NASDAQ: ACOM) has received NDA's from Private Equity firms, according to dealReporter. On June 6, Bloomberg reported the online genealogy company had hired Qatalyst Partners to find a buyer.

A spokesperson for Ancestry.com said they were aware of the rumor, but would not comment.

The following are the M&A deals, rumors and chatter circulating on Wall Street for Friday June 8, 2012:

GlaxoSmithKline Extends Human Genome Sciences Tender Offer To June 29

The Offer:
GlaxoSmithKline (NYSE: GSK) extended its unsolicited tender offer to June 29 on Friday, to acquire all the outstanding common shares of Human Genome Sciences (NASDAQ: HGSI) at a price of $13.00 per share in cash.

The following are the M&A deals, rumors and chatter circulating on Wall Street for Thursday June 7, 2012:

Richard Schulze May Take Best Buy Private

The Rumor:
Best Buy (NYSE: BBY) Chairman Richard Schulze resigned from the Board of Directors Thursday, leading to rumors that he may be planning to make a bid to take the company private. This was reported by the StarTribune.

The following are the M&A deals, rumors and chatter circulating on Wall Street for Wednesday June 6, 2012:

Kenneth Cole Production's Board of Directors Approves Kenneth Cole's Offer to Acquire Company for $15.25 per Share

The Deal: