# Professor Rosa Abrantes-Metz comments on the US Commodity Future Trading Commission's case against DRW Holdings

1 Faculty News December 1, 2016 ![Bloomberg logo](/sites/default/files/styles/246w/public/assets/images/bloomberg192x144.jpg?itok=yV529lwz)>

Excerpt from [Bloomberg](https://www.bloomberg.com/news/articles/2016-12-01/cftc-seeks-first-win-in-decade-in-drw-banging-the-close-case) -- "'Proving actual manipulation is a difficult task, which is why so very few such cases have been proven to date,' said [Rosa M. Abrantes-Metz](http://www.stern.nyu.edu/faculty/bio/Romy), an adjunct professor at New York University’s Stern School of Business and an expert on market manipulation. 'It can be difficult to distinguish between someone who affects prices in a legitimate way simply because they are a large trader, versus someone who purposely moves prices away from market fundamentals while fooling the rest of the market.'"

[Read more](https://www.bloomberg.com/news/articles/2016-12-01/cftc-seeks-first-win-in-decade-in-drw-banging-the-close-case)