Excerpt - SAN FRANCISCO (MarketWatch) -- Hospital operator HCA Inc. is in advanced talks to sell itself to an investor group in a transaction that would rank among the largest buyouts ever, according to a media report Sunday. The proposed deal, valued at $21 billion, not including the value of HCA's debt, could be announced as early as Monday, The Wall Street Journal reported in its online edition citing unnamed people familiar with the talks. See Wall Street Journal story (subscription required). Factoring in HCA's debt load of $10.6 billion, the deal would narrowly top the record-setting leveraged buyout of...