US stocks hit record highs on rate-cut optimism; chipmakers rally

Peers such as Intel and Nvidia added 2.3% and 1.8%, respectively, while the Philadelphia Semiconductor index advanced 3.6%.

Broadcom gained 9.2% as TD Cowen upgraded its rating to "outperform".

U.S. stock indexes had closed higher on Wednesday after U.S. central bankers kept borrowing costs unchanged and indicated they still expect to ease interest rates by three-quarters of a percentage point by the end of 2024.

"This market is hungry and is salivating for information that's going to continue to drive its rally and those two primary areas from my view are the Fed and potential rate cuts, and AI," said Andre Bakhos, president at Ingenium Analytics.

Inflation reports "haven't really changed the overall story, which is that of inflation moving down gradually on a sometimes bumpy road to 2%," Fed Chair Jerome Powell said in a press conference after the policy meeting.

The CME FedWatch tool showed the market is now pricing in a 70% chance of a Fed rate cut in June, compared with around 56% estimated at the beginning of the week.

UBS Global Research said that it now expects the first cut in June, compared with its prior forecast of a cut in May.

Meanwhile, the number of Americans filing new claims for unemployment benefits unexpectedly fell last week, suggesting that job growth remained strong in March.

A separate reading showed flash U.S. Composite PMI Output Index, which tracks the manufacturing and services sectors, came in at 52.2 this month versus 52.5 in February.

At 11:36 a.m. ET, the Industrial Average was up 330.57 points, or 0.84%, at 39,842.70, the S&P 500 was up 32.51 points, or 0.62%, at 5,257.13, and the Composite was up 106.60 points, or 0.65%, at 16,476.01.

The three major indexes hit fresh intra-day record highs, with the Dow just 0.4% from hitting 40,000 points for the first time.

All 11 major S&P 500 sectors also rose, with industrials leading gains, up 0.9%.

Most rate-sensitive megacap growth and technology stocks advanced.

Apple, however, bucked the trend and eased 3.3% after the U.S. Department of Justice sued the iPhone maker, the first major antitrust effort against the company by the Biden administration, alleging it monopolized smartphone markets.

Goldman Sachs led the rally in banking stocks, last up 3.7%.

IT services provider Accenture fell 8.4% after it cut its fiscal-year 2024 revenue forecast, as an uncertain economy prompts clients to cut spending on its consulting services.

Reddit's shares are expected to start trading on the New York Stock Exchange later in the day under the ticker 'RDDT'.