The S&P 500 soared 1.7% on Thursday, Sept. 19, notching a record closing high a day after the Fed opted for an aggressive interest-rate cut.

Stocks jumped Thursday morning as investors cheered the Federal Reserve’s eye-popping half-point interest rate cut.

Good news for those building up their 401(k)s: the Dow Jones Industrial Average and S&P 500 closed at record highs after the Fed's rate cuts.

The S&P 500 will remain in focus on Thursday after the index closed slightly lower following the Federal Reserve’s decision to slash its benchmark rate by 50 basis points. Since

Spurred on by the Federal Reserve Board's half-point cut in interest rates, the stock market closed out a buoyant week on Friday with the Dow Jones Industrial Average ending in record-high territory.

The Dow closed at a record high on Friday. Investors see more gains ahead as the Fed kicks off a new cycle of easing interest rates.

The S&P 500 Index (SPX) fell back after Wednesday’s Federal Reserve half-percentage-point rate cut, unable to hold new highs. This is not welcome action in a market that is already overbought. The bulls now look ready to take another shot at new U.

Stocks rallied to record highs this week in the aftermath of a jumbo-sized interest rate cut at the Federal Reserve, presenting investors with a key question: Where is the market headed from here? Experts who spoke to ABC News voiced cautious optimism about the outlook for the stock market,

As the Federal Reserve kicks off a long-awaited rate cutting cycle, some investors are wary that richly valued U.S. stocks may have already priced in the benefits of easier monetary policy, making it harder for markets to rise much further.