West L.A.-based Spark Networks Inc., which owns dating websites J Date and Christian Mingle, was this week’s biggest mover, gaining 26 percent to end at $1.97. Los Angeles-based Reed’s Inc. was also among the week’s movers. The craft soda company gained 13 percent to end at $3.53. Monrovia-based energy tech company AeroVironment, Inc. was the week’s biggest loser, dropping 16 percent to end at $24.83.