Key Takeaways Tempur Sealy International said it has taken steps to get its planned takeover of rival Mattress Firm approved by regulators. The FTC has challenged the $4 billion deal, arguing it would limit competition and increase prices. Tempur Sealy also announced the sale of up to $1.6 billion in debt to help pay for the Mattress Firm acquisition. Tempur Sealy International (TPX) on Monday said it has taken steps to get its planned $4 billion takeover of rival Mattress Firm approved by regulators. The b ...