The Los Angeles Business Journal’s index of the largest local public companies closed up for the week ended July 9 as investors expressed optimism about upcoming quarterly earnings reports.

The weighted LABJ index closed up 2.7 percent to 114.28, with gainers outpacing decliners 131 to 37.

Several banking stock saw significant gains. Los Angeles’ Broadway Financial Corp., which reported a 49 percent jump in fiscal first quarter earnings, was one of the biggest gainers, adding nearly 28 percent to close at $2.18.

Koreatown bank holding company Hanmi Financial Corp. jumped 25 percent to $1.68. Cathay General Bancorp Inc. in Chinatown rose almost 17 percent to $11.40.

Thomas Property Group Inc. ended the week up nearly 22 percent, boosted by today’s news that a large shareholder has expressed interest in helping the downtown Los Angeles commercial property owner and developer go private.

Among the handful of significant decliners was Virco Manufacturing Corp., a Torrance manufacturer of institutional furnishings. The company fell nearly 12 percent to $2.60 despite no market-moving news.

CyberDefender Corp., a Los Angeles developer of Internet security software, fell more than 6 percent, also absent significant news.