Los Angeles-based biotechnology company Puma Biotechnology Inc. was this week’s biggest mover, gaining 15 percent to end at $35. Santa Monica-based TrueCar Inc. was also among the week’s big movers. The automotive pricing and information web site rose 9 percent to end at $8.72. Trio-Tech International was the week’s biggest loser, dropping 14 percent to end at $2.86.

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