U.S. TV broadcaster Nexstar is continuing to explore strategic alternatives to maximize shareholder value, which could include a sale of the company. Our 'B' rating on the company remains on CreditWatch, where it was initially placed with negative implications on July 29, 2011. The negative CreditWatch implications reflect the possibility of a downgrade if resolution of the company's exploration of strategic alternatives results in a weakening of its financial risk profile. CHICAGO (Standard&Poor's) Nov. 22, 2011--Standard&Poor's Ratings Services said today that its 'B' corporate credit rating on Nexstar Broadcasting Group Inc., along with all related issue-level ratings on the company's debt, remain on CreditWatch, where they were initially placed with negative implications July 29, 2011. The