Joseph Adinolfi

Wall Street endured a painful selloff on Wednesday, as new Federal Reserve Chair Kevin Warsh presided over one of the wildest Fed decision days for markets in recent memory.

Kevin Warsh presided over a volatile "Fed Day." - MarketWatch photo illustration/Getty Images, iStockphoto

One of the wildest months in recent memory for the U.S. stock market is ending on yet another remarkable note: A highflying hedge fund run by an AI wunderkind in his mid-20s has apparently just been carried out on a stretcher.

One of the wildest months in recent memory for the U.S. stock market is ending on yet another remarkable note: A highflying hedge fund run by an AI wunderkind in his mid-20s has apparently just been carried out on a stretcher.

The U.S. Treasury Department and Federal Reserve have joined forces with their Japanese counterparts to stage a historic joint intervention to boost

Volatility is ticking higher in the $30 trillion Treasury market as investors bet that yields will push higher.

The typically staid market for U.S. Treasury debt is a slumbering giant that is starting to stir.

S&P 500 heads for 25th record close of 2026, after a 42-day break.

Stocks have shot higher over the past four trading sessions, and investors who are worried about missing out are piling into bullish options bets just to try to keep up.

After an eventful two-month stretch for the stock market that featured one of the biggest momentum crashes in recent memory, investors who managed to sit tight through it all are being rewarded once again.