New York Stock Exchange vice-chairman and chief commercial officer John Tuttle evaluates that companies have more options to go public now than ever before. On Wednesday, data mining company Asana Inc ASAN and work management software firm Palantir Technologies Inc PLTR were both set to go public via direct listings. The last two notable companies to go public via a direct listing over the last couple of years are Slack Technologies Inc WORK and Spotify Technology SPOT.