In December 2014, investors who had purchased American Depository Shares (ADSs) of Petrobras on the New York Stock Exchange filed a securities class action in the Southern District of New York, alleging violations of the Securities Act of 1933, the Securities Exchange Act of 1934 , and (in an amended complaint) Brazilian securities laws.
Utilize the input text as a context reference, choose the right relationship between 'Petrobras' and 'New York Stock Exchange' from the options.
Options: developer, industry, stock exchange, currency