The Los Angeles Business Journal’s index of the largest local public companies closed down for the week ended July 2 after a disappointing jobs report and amid concerns over the global economy.

The weighted LABJ index closed down 1.77 percent to 111.65, with decliners outpacing gainers 149 to 31.

Wilshire Bancorp Inc. fell 19 percent to $7.56 after the Koreatown bank suspended its dividend and warned of a surprise second quarter loss.

Vitesse Semiconductor Corp. dropped more than 16 percent to $5 after the Camarillo chipmaker announced that a 1-for-20 reverse split of its common stock had been completed.

Arrowhead Research Corp. ended the week down 16 percent to $1 after the Pasadena nanotechnology company closed a $9 million registered direct offering.

Abraxis Bioscience Inc. was the biggest gainer, up nearly 24 percent to $74.25 on news that the L.A. biotech company was being sold to a New Jersey competitor for $2.9 billion.