Palantir (PLTR) shares closed higher again on Tuesday after the data mining company announced a “multi-year expansion” of its partnership with the Tokyo-based SOMPO Holdings. It’s the second time that PLTR has decided in favor of extending its agreement with the Japanese insurance holding firm following an initial $50 million expansion in 2023.

Shares of Palantir Technologies (NASDAQ:PLTR) surged 9.51% over the past five trading sessions, continuing a rally that has seen the stock gain 133.19% so far in 2025. Since its October 2022 IPO, PLTR has surged an eye-catching 1,

Following its recent quarterly earnings report, Palantir Technologies (PLTR) shares rallied significantly, reaching an all-time closing high of $186.96 on Augus