GARDEN preprint demonstrates reusable AI-designed rewards for cooperating agents
Researchers report in a preprint that GARDEN, a system that uses a language model to design rewards for cooperating agents, improved performance when its reward programs transferred unchanged to related scenarios unseen during design.
CoreWeave, Nebius and Nscale reportedly lose effective bond market access
CoreWeave, Nebius and Nscale have effectively been shut out of the bond market in recent weeks, The Wall Street Journal reported, citing sources.
Five technology giants commit more than $3T to future spending
Alphabet, Meta, Microsoft, Amazon and Oracle have committed more than $3T to future spending on data centres, leases, equipment and energy, The Next Web reported, citing Bloomberg. Alphabet accounts for more than $1T and Meta for more than $800B.
S&P lowers Meta's credit outlook to negative over AI spending
S&P Global Ratings lowered the outlook on Meta Platforms' AA- credit rating to negative on Friday, citing pressure on its balance sheet from elevated spending tied to artificial intelligence. The action changes the outlook on the rating, rather than the AA- rating itself.
Five US tech companies' cash returns fall to a 15-year low share
Microsoft, Alphabet, Amazon, Meta and Oracle returned 9.3% of cash to shareholders in the first three quarters of 2026, Reuters reported, the smallest share in 15 years amid AI spending. The companies generated record amounts of cash over the same period.
Amazon sets up supplier financing to borrow as much as $80 billion
Amazon has established supplier financing arrangements to borrow as much as $80 billion against the value of hardware it buys, Bloomberg reported.
