Interesting pick, agree the industry has potential
Can you substantiate the claim that they hold leading market share? Competitors and relative share positions?
Here’s a few saide from my site...
http://www.dailyfinance.com/2012/03/22/a-sign-of-the-times-billboards-are-coming-back/
One of Forbes’ Most Trusted Companies
http://www.forbes.com/sites/jacquelynsmith/2012/03/20/americas-most-trustworthy-companies/2/
http://www.daktronics.com/Company/History/Pages/default.aspx
Best regards BigBob.