The sordid side of the “criminal” Daniel Yu, the 'Batman of Wall Street' who attacks Grifols

Gotham City Research has thoroughly investigated Grifols, but Grifols has also investigated Gotham and, in particular, his alma mater: Daniel Yu. The lawsuit filed in New York against this investor this Friday, to which EL PAÍS has had access, describes him as a “criminal” and “fraudster” and takes a tour of his “sordid criminal record” and “his time in prison”. Grifols has requested a jury trial in his lawsuit. Destroying Yu's credibility is a …