AMC Network posted a 23% drop in advertising for the fourth quarter as total revenue fell 30% to $679 million. But the company narrowed losses and saw streaming revenues up 4$145 million on a stronger subscriber base and a 3% increase in streaming subscribers from the previous quarter — to 11.4 million. AMC said the dip in ad revenues, to $158 million, was due to anticipated linear ratings declines, a challenging ad market and fewer original programming episodes within the quarter — partly offset by di ...