The Los Angeles Business Journal’s index of the 200 largest local public companies closed up for the week ended Jan. 30 as investors reacted to mixed earnings reports.

The weighted LABJ index was up 0.56 percent to $90.06 Friday compared to a week ago, with decliners outpacing gainers 90 to 88.

Covina bank holding company K-Fed Bancorp, which gained 24 percent to $8, said its second quarter net income was 129 percent higher than a year ago.

Chatsworth home-entertainment distributor Image Entertainment Inc., which fell 52 percent to 91 cents, said Nyx Acquisitions Inc. is in breach of a merger agreement between the two companies because it failed to make a required payment by its deadline.

Pasadena label maker Avery Dennison Corp., which dropped 15 percent to $24.15, said its profit fell 46 percent in the fourth quarter.

Woodland Hills workers’ comp insurer Zenith National Insurance Corp., which lost 11.5 percent to $28.15, said its fourth-quarter net income dropped 79 percent as net premiums fell and the value of its investment portfolio declined.