The Motley Fool·2025-12-28 00:40Core Viewpoint - High valuations and uncertain business conditions are expected to negatively impact certain AI stocks over the next year, despite significant returns since the end of the 2022 bear market [1] Group 1: Palantir Technologies - Palantir Technologies has seen its stock rise nearly 33-fold from its 2022 low, driven by its Artificial Intelligence Platform (AIP) which has delivered substantial productivity gains for clients [4] - The stock is currently trading at a market cap of $450 billion, with a trailing P/E ratio just above 450 and a forward P/E of around 270, indicating potential bubble territory [5][7] - Revenue for the first nine months of 2025 increased by 51% year over year, but the stock is priced beyond perfection, raising questions about its near-term upside [8] Group 2: C3.ai - C3.ai has developed over 130 software applications for AI adoption, but has faced significant challenges, including the departure of its founder and CEO due to health issues [9][10] - The company reduced its fiscal 2026 revenue guidance from $448 million-$485 million to $290 million-$310 million, with a 20% year-over-year revenue decline in the first half of fiscal 2026 [11][12] - The stock has fallen over 60% from a year ago, trading at a P/S ratio of 5, but deteriorating financials and uncertain management direction raise concerns about its investment viability [14] Group 3: Rigetti Computing - Rigetti Computing operates in the quantum computing sector, which is crucial for next-generation AI, but faces competition from larger companies like Alphabet and IBM [15][16] - The company reported a revenue of just $5.2 million in the first nine months of 2025, a 39% decline from the previous year, and incurred a net loss of $198 million [18][19] - The stock has decreased nearly 60% from its October 2025 high, and with a price-to-book ratio of 22, it presents more risk than reward for investors [19]