Inovio Pharma plunges on planned equity offering

** Inovio Pharmaceuticals' INO.O shares plunge 19.2% to record low 84 cents post-market as co looks to raise equity

** Co focused on treating HPV-related diseases, cancer, and infectious diseases, intends to offer shares and accompanying warrants; deal size not disclosed

** Piper Sandler sole bookrunner

** Plymouth Meeting, Pennsylvania-based firm has ~82.3 mln shares outstanding

** INO shares finished up 1% at $1.04 on Weds, trimming YTD loss to 40%