Santa Monica-based automotive pricing and information website TrueCar Inc. was this week’s biggest mover, gaining 15 percent to end at $17.52. Monrovia-based STAAR Surgical Company was also among the week’s biggest movers. The medical manufacturing company gained 11 percent to end at $10.40. Brewed soda company Reed’s Inc. was this week’s biggest loser, dropping 25 percent to end at $3.55.