Frontier makes new offer to combine with bankrupt Spirit Airlines — and is rebuffed - MarketWatch

1. Frontier's stock rose 1.5% after a merger proposal with Spirit Airlines. 2. Proposal offers debt and equity for Spirit's stakeholders exceeding standalone restructuring. 3. Spirit is currently in bankruptcy, seeking better offers for financial recovery. 4. Frontier's past withdrawal from merger negotiations raises concerns for investors. 5. Frontier's stock has gained 42% in the past year, outperforming major indices.