Spirit Rejects Frontier's Bid. Trump Is Already Shaking Up the Airline Industry.

1. Spirit Airlines rejected Frontier's second merger bid, citing shareholder value concerns. 2. Trump's return may influence airline regulations, affecting merger processes. 3. Spirit shares fell 9.2% at market open post-announcement, indicating immediate market reaction. 4. JetBlue's stock slumped after softer revenue guidance, impacting industry sentiment. 5. Airline index rose 9% since Trump's election, hinting at potential industry shifts.