Weekly Stock Market Update | Dow, S&P 500, NASDAQ News – September 21, 2025 at 07:01 AM

Summary:

The Dow Jones Industrial Average (DJIA) and the S&P 500 ended this week on a high, with a gain of 0.37% leading the DJIA to close at 46,315.27 and a 0.49% increase setting the S&P 500 at 6,664.36. The Nasdaq Composite also rose by 0.72% to 22,631.48.

Apple Inc. became a market leader with a 3.2% rise in share value as the newest iPhone was launched, while Tesla shares increased by over 2.2%. On the other hand, the small-cap Russell 2000 index dipped 0.7% despite touching a record high earlier in the week.

The Fed’s decision to reduce its benchmark overnight lending rate sparked gains, leading the S&P 500, the DJIA, and the Nasdaq to increase 1.2%, 1%, and 2.2% respectively in the past week.

Stocks like Tesla, Alphabet, and Apple emerged as strong gainers with Tesla gaining nearly 8% for the week, Alphabet adding approximately 6%, and Apple rising almost 5%. However, AI chipmaker Broadcom ended the week down 4% following last week’s upswing.

Stocks related to the nuclear sector, such as Oklo and NANO Nuclear, showed positive movements amid optimism in the sector. Meanwhile, the homebuilder company Lennar faced a 4.2% loss following lower-than-anticipated revenue for the quarter.

Overall, rate cuts by the Federal Reserve and promising trade developments lifted markets, leading most to closing highs. The rate cuts are anticipated to provide a boost to the housing market by potentially reducing mortgage rates. However, investors are waiting cautiously as the failure of the Fed to meet rate cut expectations could potentially result in a significant market drop.

Oklo (NYSE: OKLO) shares have soared by 63.5% this week due to a nuclear collaboration agreement between the U.S. and U.K. which reduces reactor licensing timelines. The S&P 500 and the Nasdaq-100 also experienced gains of 1.2% and 2.2% respectively. The nuclear energy agreement aims to reduce Russian dominance in nuclear fuel supply, with both countries committed to eradicating Russian fuel imports by 2028. Despite not generating significant revenue yet, Oklo could profit from streamlined licensing with its compact fast reactor design.

In other stock news, Canada’s main stock index, the S&P/TSX composite index, ended the week with a notable 300-point rise, closing at 29,768.36, driven by strength in base metals. U.S. markets also experienced significant gains, with the Dow Jones industrial average rising 172.85 points to 46,315.27. The S&P 500 index went up 32.40 points to 6,664.36, while the Nasdaq composite increased by 160.75 points to 22,631.48.

Gold and silver materials recorded significant gains in Canada, strengthening over the past three weeks to push the TSX materials index up by over 65% year-to-date. The rise in gold prices came as a result of expectations for lower interest rates, high inflation, and potential U.S. and worldwide government debt impacting currency value.

Newmont Corp., a gold miner based in Colorado, rallied 4% on the TSX after it disposed of its investment in Canadian gold producer Orla Mining Ltd. for about $605 million. By contrast, Orla shares fell more than 5% to $14.44 on the TSX.

In the U.S., tech stocks led the market progression, particularly hardware and equipment. On the downside, Canadian energy stocks and the November crude oil contract experienced losses, following a trend observed over the past weeks.

Notable economic data releases are expected this upcoming week in Canada and the U.S., including GDP numbers, the Purchasing Manager’s Index, jobless claims, and inflation data. Investors are advised to look beyond daily news flow and focus on longer-term trends.