The following are the M&A deals, rumors and chatter circulating on Wall Street for Monday December 10, 2012: Hearing Unconfirmed Chatter of Icahn Stake in Hewlett-Pakcard The Rumor:Carl Icahn is rumored to be taking a large stake in Hewlett-Packard (NYSE: HPQ ), according to unconfirmed sources. A spokesperson for Hewlett-Packard officially declined