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.
Take context from the input text and decide on the accurate relationship between 'PayPal' and 'Nasdaq' from the options provided.
Options: stock exchange, founded by, brand, director/manager