A strike along dozens of East Coast ports could cost the economy hundreds of millions of dollars a day, leaving things like cars, furniture, alcohol and pharmaceuticals stuck on ships, while potentially raising shipping costs for businesses and consumers. But as the holiday season approaches, potentially bringing in billions of dollars in online sales alone, toy makers like Mattel Inc. MAT and Hasbro Inc. HAS are likely to be a bit more in the clear, after getting much of their production and shipping out o ...