Palantir Technologies (PLTR 11.14%) shares were soaring today even as tech stocks tumbled broadly on fears that interest rates would remain elevated.The artificial intelligence (AI)-focused data analytics company said it would switch from the New York Stock Exchange to the Nasdaq, and it expected to be admitted to the elite Nasdaq-100 index.Palantir stock was up 8.2% as of 3:11 p.m. ET, and it hit another all-time high on the news. A Nasdaq welcome party for PalantirAfter hours yesterday, Palantir announced ...