NEW YORK (Standard&Poor's CreditWire) Jan. 19, 2000--Standard&Poor's today revised its outlook on Mayo Foundation, Minn. to negative from stable. In addition, Standard&Poor's assigned its double-'A'-plus/A-1-plus rating to securities issued for Mayo Foundation through Rochester, Minn. as follows: -- $90 million health care facilities revenue bonds; and -- $150 million health care facilities revenue bonds. At the same time, Standard&Poor's assigned its double-'A'-plus/A-1 rating to $50 million health care facilities revenue bonds. The bonds are scheduled to sell Jan. 25, 2000. The outlook revision to negative is due to a sharp drop in both unrestricted liquidity relative to operations and operating profitability from 1998's improved results. About half of the decline is related
