PayPal CEO Dan Schulman and employees rung in the opening bell on the Nasdaq while the company gave out food via food trucks in Times Square and posted passersby's photos on Nadsaq's seven-story digital billboard to commemorate the listing.
Utilize the input text as a context reference, choose the right relationship between 'PayPal' and 'Nasdaq' from the options.
Options: founded by, stock exchange, director/manager, brand