The Los Angeles Business Journal’s index of largest local public companies fell only slightly for the week ended Feb. 11.

The weighted LABJ index closed down 0.3 percent to 124.29, with gainers outpacing decliners 107 to 62.

Emergent Group Inc. soared more than 39 percent to $8.41 on news that the Sun Valley provider of mobile medical lasers and surgical equipment had signed an agreement to be acquired by Universal Hospital Services Inc. in a deal valued at about $70 million.

Live Nation Entertainment Inc. gained nearly 15 percent to $11.60. The Beverly Hills concert promoter and ticketing service acquired the shares of Front Line Management Group Inc. that it didn’t already own.

Earnings reports continued to fuel many movers. Capstone Turbine Corp rose16 percent to $1.50 after the Chatsworth manufacturer of turbine generator systems reported its first-ever positive cash flow from operations. Ixia rose 14 percent to $18.85 as the Calabasas telecom test systems provider continued to benefit from earnings reported the previous week plus appearances at international trade shows. Torrance coffee roaster Farmer Bros Co. rose 9.4 percent to $13.85 despite posting a fourth quarter loss.

Joe’s Jeans Inc. fell 28 percent to $1.12 after the Commerce denim maker reported disappointing fourth quarter earnings despite a 28 percent jump in sales.

Mannkind Inc. dropped 25 percent to $3.83 after the Valencia biotech said it would lay off 41 percent of its employees to save money as it focuses on meeting new requirements to get U.S. regulatory approval for its inhaled diabetes drug Afrezza.