CNBC Daily Open: Small- and mid-caps stole the limelight last week

This report is from today's CNBC Daily Open, our international markets newsletter. CNBC Daily Open brings investors up to speed on everything they need to know, no matter where they are. Like what you see? You can subscribe  here .

Winning week for markets 
Major U.S. indexes rose on Friday to end the week in the green, despite mega-cap stocks Nvidia and Alphabet dropping. Europe's regional Stoxx 600 advanced 1.18%. The banking index, which lost 2%, was the only sector to fall. Euro zone business activity was in contraction territory in November after remaining static in October.  

Trump nominates Treasury secretary 
U.S. President-elect Donald Trump intends to nominate Scott Bessent, founder of the hedge fund Key Square Group, as his Treasury secretary. Like Trump, Bessent is in favor of gradual tariffs and deregulation to support domestic business and address trade imbalances. Bessent was chosen over former Fed Governor Kevin Warsh and private equity executive Marc Rowan. 

Amazon doubles investment in Anthropic 
Amazon announced it would invest an additional $4 billion in Anthropic, an artificial intelligence startup founded by ex-OpenAI employees. That brings Amazon's total funding in Anthropic to $8 billion, though it will remain a minority investor, said Anthropic. The AI company's flagship product is Claude, a chatbot like OpenAI's ChatGPT. 

Climate deal at COP29 
At the COP29 climate conference in Azerbaijan, developed nations pledged to provide $300 billion annually to poorer countries to tackle climate change. This deal replaces an earlier commitment to provide $100 billion a year. Meanwhile, Sir Richard Branson, billionaire founder of Virgin, said that "we can overcome climate change" if "everybody focused