Wall Street investment banks JPMorgan and Morgan Stanley have been placed on the Hong Kong Stock Exchange’s “named and shamed” list after the $300 million initial public offering (IPO) of Chinese biotech company Akeso was sent back for not meeting the correct regulatory requirements.

Skadden, Arps, Slate, Meagher & Flom has advised China Literature, the e-publishing arm of Chinese tech giant Tencent, on its initial public offering in Hong Kong that is anticipated to raise as much as $800 million.