i'm todd buchholz. >> tom: finally, barbie is hitting the auction block in two weeks.ut this doll isn't child's play. wearing a black strapless party dress and a one carat diamond necklace, this is the world's most expensive barbie. she is expected to fetch between $300,000 and %500,000 at christie's auction house in new york. >> susie: so tom, where ken in all this? >> tom: maybe he's out trying to pay are for the diamond necklace. who knows. >> susie: maybe. that's "nightly business report" for thursday, october 7. 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: this program was made possible by contributions to your pbs station from viewers like you. thank you. captioning sponsored by wpbt