Federal regulators say Tempur Sealy's acquisition of Mattress Firm would raise prices for "millions of consumers."

The regulator alleges the acquisition of Mattress Firm would provide Tempur Sealy with the ability and incentive to suppress competition and raise prices for mattresses for millions of consumers.

The Federal Trade Commission has voted to block a multibillion-dollar deal involving a Houston-based company — but surprisingly, it’s not an energy company.