The S&P 500 leaped to a fresh peak of 6,100 points on Wednesday and lifted the Nasdaq above the 20,000-point barrier to within a whisker of December's record high of 20,204 points.
The tech and artificial intelligence fervor is intensifying again after Trump announced a private sector investment of up to $500 billion to fund infrastructure for AI. Trump said that ChatGPT's creator OpenAI, SoftBank and Oracle are planning a joint venture called Stargate, which will build data centers and create more than 100,000 jobs in the United States.
Billionaire investor Stanley Druckenmiller told CNBC this week that optimism surrounding the U.S. market and business outlook is reaching "giddy" levels in boardrooms. Judging by Wall Street's boom, that giddiness is being mirrored across trading floors.
Another reflection of investors' bullishness and hunger for income is the record demand seen at French, Spanish and UK debt sales over the last 24 hours. Remarkably, bids for the roughly $37 billion worth of debt on offer totaled around $400 billion.
A large part of that is seasonal, as fixed income investors deploy their allocations for the year in January. But still.