The major indexes close the day with losses on Thursday after wavering earlier in the session. Palantir stock adds suspense.

Palantir stock closed slightly up on Thursday, after declining for six straight sessions. Palantir's pullback raised ...

The drop began after a broader market pullback but escalated fast; short seller Citron Research issued a scathing note that accused the company of being detached from fundamentals and analysis. Citron ...