Los Angeles-based soda company Reed’s Inc. was this week’s biggest mover, gaining 18 percent to end at $3.12. Westwood-based Puma Biotechnology Inc. was also among the week’s movers. The biopharmaceutical company gained 15 percent to end at $57.63. Los Angeles-based oil and gas company California Resources Corp. was the week’s biggest loser, dropping 20 percent to end at $10.23.