Ratings: 'Big Brother' steady while rivals slip

With the ratings low tide of Labor Day weekend creeping closer, most Wednesday broadcast shows slipped in the Nielsen overnights.

Fox and CBS tied to win the evening, with Fox's "MasterChef" (4.7 million, 2.0) down 9%.

CBS's "Big Brother" (7.7 million, 2.8) managed to hold steady

NBC's "Minute to Win It" (6.1 million) slipped 11% and "America's Got Talent" (10.3 million, 2.5) fell 7% to a summer low.

On ABC, the "CMA Music Festival" concert special (6 million, 1.7) was down 15% from last year.

On The CW, the season finale of "Plain Jane" (1 million, 0.4) was steady.