Joe Rennison

Kevin Warsh reiterated the Federal Reserve’s commitment to tackle rising prices, nudging up investor expectations of a rate increase.

Fewer audit and disclosure requirements could reduce costs, but experts say they could also help disguise fraud or financial stress.

The Treasury Department said it could begin to buy back more of its debt, and bond market investors are assessing the potential effects on borrowing costs.

Analysts said the recent rise in Treasury yields partly reflected investor expectations that A.I.-driven growth could keep interest rates elevated.

Government bond yields fell and stocks jumped on a move by the Treasury Department to double the amount of debt that it can buy back from investors.

Investment gains at Alphabet and Amazon reveal a new way in which technology companies’ fortunes are increasingly linked.

The S&P 500 rose 1.8 percent, pushing past its previous peak at the start of June and capping a big turnaround from a recent sell off in technology stocks.

U.S. and Japanese officials confirmed on Sunday that the Treasury Department had moved last week to help the currency.

The surge in Treasury yields suggests investors doubt that the Federal Reserve can keep inflation contained.

The yield on the 10-year Treasury bond has risen steadily this year, as the Iran war rages, government spending worries intensify and artificial intelligence spending boosts growth.

Futures contracts reflect an expectation that low inventories and midterm elections are likely to push the Trump administration to try to ease tensions with Iran.

Investment in artificial intelligence and related companies is lifting the stock market and spending across the economy.

The S&P 500 rose almost 15 percent for the three months through June, and many stock analysts remain optimistic that corporate earnings driven by artificial intelligence will keep growing.

On Tuesday, SpaceX briefly fell below $150 a share, which is where the stock first began trading when the company listed publicly just over a week ago.

The company’s blockbuster trading debut is the latest example of how individual investors have become a force in financial markets.

Oil prices fell and stocks gained on Sunday evening on the hope that a deal would allow more energy and other goods to flow through the Strait of Hormuz.

In the race to dominate the artificial intelligence industry, companies like SpaceX and Alphabet are borrowing cash and raising equity from investors at the fastest pace in decades.

The S&P 500 fell more than 2.6 percent on Friday, its worst one-day drop of the year and ending nine weeks of gains.