Culver City-based healthcare solution company NantHealth, Inc. was the week’s biggest mover, gaining 14 percent to end at $11.50. Cadiz Inc. of Los Angeles was also among the week’s movers. The land and water resource company gained 12 percent to end at $7.80. Conservative Christian broadcaster Salem Media Group Inc. in Camarillo was the week’s biggest loser, dropping 15 percent to end at $6.04.