
Top stories today:
- Claude legal plugin launch sparks $285B rout across stocks
- NVIDIA said to near $20B OpenAI investment in $100B funding round
- Novo shares -15% as 2026 sales seen -13%
- AMD Q4 revenue +34% YoY to $10.3B, net income +213%
- U.S. shutdown ends as Trump signs funding deal with Democrats
- PayPal taps HP CEO Lores as CEO as Q4 revenue misses estimates
0. Data and calendar

All values as of 6 AM ET / 3 AM PT, other than S&P500 and NASDAQ close (4 PM ET / 1 PM PT).

All times are ET.
Listen to our AI-generated podcast summarizing todayās newsletter (beware of hallucinations):
1. Claude legal plugin launch sparks $285B rout across software, financial stocks
Software stocks have tumbled in recent months on AI-related disruption fears:
Anthropicās new Claude Cowork legal plugin sparked market disruption on Tue.
The selloff started before the U.S. market opened, with traders pointing to Anthropicās release.
Thomson Reuters and LegalZoom led losses as the tech-software ETF fell 4.6% for a 6th straight day.
The tech-heavy Nasdaq Composite fell 1.4% on Tue., while the S&P 500 slipped 0.8%
Selling was not broad-based, with 5 of the S&P 500ās 11 sectors closing higher.

Capital for the secondary deal is reportedly being lined up from investors.
Employee participation will determine the dealās final size.
2. NVIDIA said to near $20B OpenAI investment in $100B funding round
OpenAI is reportedly raising the new round at an $830B post-money valuation:

NVIDIAās contribution is reportedly close to being finalized.
The deal is not final, and its terms could still change.
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