Shares of Palantir Technologies Inc. /zigman2/quotes/221054928/composite PLTR +0.41% were tumbling more than 13% in premarket trading Monday after the software company posted a surprise adjusted loss on a per-share basis and delivered revenue guidance that fell short of the consensus view. The company reported a net loss of $176.7 million, or 9 cents a share, compared with a loss of $138.6 million, or 7 cents a share, in the year-earlier quarter. After adjustments, Palantir recorded a loss per share of 1 cent, whereas it logged adjusted earnings per share of 4 cents in the year-before period. Analysts tracked by FactSet were expecting 3 cents in adjusted EPS. Revenue at Palantir rose to $473.0 million from $375.6 million, while analysts were projecting $465.8 million. The company saw a 46% boost in commercial revenue and a 27% bump in U.S. government revenue. Looking to the third quarter, Palantir expects $474 million to $475 million in revenue, whereas the FactSet consensus was for $500 million. For the full year, the company anticipates $1.900 billion to $1.902 billion in revenue, whereas analysts were looking for $1.957 billion. Palantir executives said that the new forecast "excludes any new major U.S. government awards and we believe this to be the base case."