The 25 largest taxpayers in Clark County lost a combined $12.5 billion in appraised value on their properties in 2010, according to new tax rolls released by the Clark County assessor’s office. The value of appraised properties among the top 25 as of April 1 totaled $41.2 billion, down from $53.7 billion a year ago, a 23 percent decline. The numbers include land and buildings only and not the property inside the buildings. Read more