Billionaire Patrick Soon-Shiong’s NantHealth Inc. was the week’s biggest gainer. The Culver City biotech firm shot up 27.3 percent to close at $5.51. Beverly Hills-based Capricor Therapeutics Inc. was also a big gainer, rising 16.6 percent to close at $3.30. The week’s biggest laggard was The Rubicon Project Inc., which, in addition to seeing founder Frank Addante step-down from his position as chief executive, saw its stock plummet 33.3 percent to close at $5.80.

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