Top 5 Stocks to Watch: Palantir, Bloom Energy, Pfizer Insights

The top trending stocks on Yahoo Finance include Palantir Technologies, which hit record highs after announcing a move to the Nasdaq, and Bloom Energy, which surged following a major supply agreement with American Electric Power. In contrast, Pfizer shares fell amid concerns over potential vaccine policy changes under the Trump administration, Applied Materials dropped after disappointing earnings, and FuelCell Energy declined due to workforce cuts and cost reductions.