Drugmaker Liquidia rallies on United Therapeutics settlement
** Drugmaker Liquidia's LQDA.O shares up 46.21% at $39.20 premarket
** Co says it settles all six pending lawsuits with United Therapeutics UTHR.O, ensuring uninterrupted access to YUTREPIA, a drug used to treat patients with a form of pulmonary hypertension
** Co to pay a net $380.7 mln in instalments through 2027 to resolve the litigation
** Stock down more than 22% YTD, as of last close