The Los Angeles Business Journal’s index of largest local public companies dropped again for the week ended Aug. 12 as the markets’ slide extended into its fourth week amid fears of a global recession.

The weighted LABJ index fell 2.6 percent to close at 104.13. Decliners outpaced gainers 126 to 44 and 10 companies were unchanged.

One of the largest decliners was K-Swiss Inc., which fell 22 percent to $5.12. The Westlake Village casual shoemaker had reported disappointing second quarter earnings last week.

Demand Media Inc. lost 21 percent to $7.19. The Santa Monica online content provider was hurt by a sharp sell-off across the tech sector.

International Rectifier Corp. dropped 14 percent to $20.02. The El Segundo chip maker provided fiscal first quarter guidance below Wall Street expectations.

Among just a handful of significant gainers was Physicians Formula Holdings Inc., which gained 17 percent to $3.30. The Azuza cosmetics and skin care company bounced back after falling last week when reporting a second quarter loss.

Hot Topic Inc. rose 11.6 percent to $7.49. The City of Industry teen retailer reported a smaller fiscal second-quarter loss and announced a repurchase of shares.

RealD Inc., a Beverly Hills maker of 3D movie-projection systems, ended the week up 10 percent to $13.63 after ending Friday as one of biggest gainers on the New York Stock Exchange.