The Los Angeles Business Journal’s index of the largest local public companies was up for the week. The weighted LABJ index rose less than 1 percent to close at 237, with losers outpacing gainers 96 to 52. Eight companies ended the week unchanged.

Among stocks trading above a dollar, billionaire Patrick Soon-Shiong’s Culver City clinical-stage immunotherapy firm NantKwest Inc. was the week’s leading gainer. Shares were up 12 percent to close at $11.90.

Calabasas staffing firm On Assignment Inc. was also one of the top gainers. Shares rose 10 percent to close at $45.11 after the company reported third-quarter earnings that beat analysts’ expectations.

El Segundo’s Big 5 Sporting Goods Corp. was the week’s top loser among stocks trading above a dollar. Shares of the company were down 14 percent to close at $9.15.