Liquidia Technologies is trading 4.8% higher at $71.71 in pre-market on September 28, with no new company-specific announcement explaining the gain surfaced in available search results. - It closed at $68.43 on September 25; the latest clear company news was a September 3 FDA Fast Track designation for Yutrepia. - Futures were lower amid renewed Iran-related tensions and higher oil prices. Recent coverage cited a Zacks downgrade tied to PAH competition and September 25 weakness, not this move.