Standard & Poor's downgrades Quicksilver Resources' (KWK +5.2%) corporate credit rating to...

|About: Quicksilver Resources Inc. (KWK)|By:, SA News Editor

Standard & Poor's downgrades Quicksilver Resources' (KWK +5.2%) corporate credit rating to B- from B, expecting weaker profitability and deteriorating credit protection measures for the oil and gas explorer. S&P says KWK is at risk of ongoing negative free cash flow, as it forecasts lower prices for natural gas liquids and lower production.