Half-Blood Prince is No. 5 on Yahoo! Movies Top 10 Most-Viewed Trailers of 2009

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As a follow-up to yesterday's Top 10 Box Office Movies of 2009, Yahoo Movies! has released their Top 10 Most-Viewed Trailers of 2009. Harry Potter and the Half-Blood Prince comes in at No. 5.

The top spot went to Twilight: New Moon, followed by Transformers: Revenge of the Fallen, 2012 and Terminator Salvation, respectively.

These rankings are based on video streaming numbers on their website. The top two films got over 20 million views apiece. Thanks to Emily for the tip!