https://www.reuters.com/article/us-palantir-ipo/thiel-backed-palantir-to-go-public-via-direct-listing-reveals-2019-loss-of-580-million-idUSKBN25L2QW >Palantir Technologies on Tuesday filed to go public through a direct listing, as the data analytics company known for working with the Central Intelligence Agency and other government groups prepares for one of the biggest market debuts of the year.