public companies advertising in this year's game include best buy, coca-cola and gm. nevertheless, given how critical fans are of the ads, corporations need to make sure they can afford to fall flat. $4 million for 30 seconds is more than some company's entire ad budgets. one of the most prominent examples of a super bowl ad gone bad was just for feet. the shoe retailer aired a racially insensitive ad during the 1999 game and filed for bankruptcy by the end of the same year. the moral of the story? advertiser beware! >> susie: that's "nightly business report" for tuesday, january 31. i'm susie gharib. good night, everyone, and good night to you, too, tom. >> tom: good night, susie. i'm tom hudson. good night, everyone. we hope to see all of you again tomorrow night. "nightly business report" is made possible by: captioning sponsored by wpbt captioned by media access group at wgbh access.wgbh.org