Throughout the artificial intelligence (AI) revolution, one common theme has emerged: big tech is plowing unprecedented sums into capital expenditures (capex).

Palantir Technologies Inc (NASDAQ: PLTR) has pulled back rather significantly in recent weeks as investors bailed on high-flying artificial intelligence (AI) stocks due to valuation concerns. Despite the retreat,

Palantir Technologies (NASDAQ: PLTR) has been a big winner for investors over the past year. Some shareholders are now cashing in. The stock has been plummeting over the past two weeks, and that trend continued today.