Surge in cases of 'Blue Dot Fever' fail to stop Live Nation upping ticket sales - but legal issues hit bottom line

Even with acute cases of Blue Dot Fever plaguing its artists and allegedly forcing high-profile cancellations of Live Nation concert dates by Post Malone, Zayn Malik, Meghan Trainor and the Pussycat Dolls -- the music giant's said its concert business was up in Q1.