Stocks making the biggest moves after hours: Palantir, Hims & Hers Health, Clorox and more

After-hours trading reflected diverse reactions to Q3 earnings, with Palantir Technologies gaining 1% on an earnings and revenue beat, strong government sales, and improved Q4 guidance driven by its AI platform. Upwork surged nearly 14% after raising its 2025 revenue forecast following robust Q3 results, and Clorox rose over 4% on exceeding Q1 estimates. Conversely, IAC dropped over 7% due to a revenue miss and lowered 2025 EBITDA guidance, citing AI search summaries impacting traffic, while Lattice Semiconductor fell nearly 6% on a disappointing Q4 forecast despite beating Q3 expectations.

Analysis

Palantir Technologies (PLTR) demonstrated robust performance, with shares rising 1% after exceeding Q3 analyst estimates, reporting $0.21 adjusted EPS on $1.18 billion revenue, driven by a significant 52% year-over-year growth in government sales. The company also issued better-than-expected Q4 guidance, highlighting the increasing traction of its AI platform in the commercial sector. Upwork (UPWK) surged nearly 14% following strong Q3 results, including $0.36 non-GAAP EPS and $201.7 million revenue, and subsequently raised its 2025 revenue forecast, signaling continued optimism. Clorox (CLX) also saw a 4% increase after beating Q1 estimates with $0.85 adjusted EPS on $1.43 billion revenue and reaffirming its full-year guidance.

Conversely, several companies experienced declines despite some positive metrics. Vertex Pharmaceuticals (VRTX) fell 4% as its adjusted EPS of $4.80 missed analyst forecasts, overshadowing a revenue beat. Diamondback Energy (FANG) dropped 2% despite exceeding Q3 profit and revenue estimates, with the market reacting to its announcement of selling Viper Energy's non-Permian assets for $670 million, a transaction set to close in Q1 2026. The Williams Companies (WMB) moved lower by 3% due to an adjusted EPS miss, despite revenue beating estimates.

IAC (IAC) plummeted over 7% after missing Q3 revenue estimates with $589.8 million and lowering its 2025 adjusted EBITDA estimate, explicitly citing AI search summaries as a factor siphoning off website traffic. Lattice Semiconductor (LSCC) declined nearly 6% despite beating Q3 earnings, as its Q4 revenue and EPS forecasts fell below analyst consensus, indicating a weaker near-term outlook. Hims & Hers Health (HIMS) jumped over 6% on a revenue beat but missed EPS estimates, suggesting investor focus on top-line growth.

Key Decisions for Investors

• Investors should consider Palantir (PLTR) for its strong government sales growth and positive Q4 guidance driven by AI, while monitoring the commercial segment's ramp-up.
• Evaluate Upwork (UPWK) and Clorox (CLX) for sustained performance, given Upwork's raised 2025 revenue forecast and Clorox's reaffirmed full-year guidance after beating estimates.
• Exercise caution with IAC (IAC) due to reported impacts from AI search summaries on traffic and lowered 2025 EBITDA guidance, signaling potential structural headwinds.
• For companies like Vertex (VRTX) and Lattice Semiconductor (LSCC) that reported mixed results or disappointing forecasts despite some beats, a deeper dive into forward guidance and margin trends is warranted.