S&P 500, Dow Jones and Nasdaq Explained: Why Indian Investors Are Tracking US Indices After the Fed Hike

Searches for "s&p 500" spiked in India in mid-September 2026 — Google Trends recorded roughly 5,000 Indian searches in the 24 hours to 17 September, alongside related queries like dow jones futures, nasdaq 100 and fomc news. The trigger was the US Federal Reserve's first interest rate hike in three years and the sharp rebound in American stocks that followed. If you are among the Indian investors tracking these moves, here is what the three big US indices actually measure, what happened on 17 September 2026, and why it matters from India.

What the S&P 500, Dow Jones and Nasdaq Actually Measure

The three names are often used interchangeably in headlines, but they track different slices of the US market:

• S&P 500: An index of 500 large US-listed companies, weighted by market value. Because of its breadth, it is the benchmark most professionals treat as "the US market."
• Dow Jones Industrial Average: Just 30 large blue-chip companies, weighted by share price rather than market value — an older, narrower gauge that still dominates headlines.
• Nasdaq Composite: Covers thousands of stocks listed on the Nasdaq exchange and is heavily tilted toward technology, which is why it moves more sharply when tech sentiment shifts. (The related Nasdaq 100 tracks the 100 largest non-financial Nasdaq stocks.)

When Indian searchers look up "dow jones futures" before US markets open, they are checking pre-market contracts that hint at the day's direction — useful context, but not a confirmed market level.

What Happened on 17 September 2026

On 17 September 2026, the Federal Open Market Committee (FOMC) raised the federal funds target range by 25 basis points to 3.75–4.00%, the first increase since July 2023, according to the Federal Reserve's open market operations page. The Fed also projected one more rate hike in 2026.

After an initial post-announcement sell-off, US stocks rebounded the same day. Per Yahoo Finance's live coverage, the Dow Jones Industrial Average rose about 0.6%, the S&P 500 climbed 1.1% and the tech-heavy Nasdaq Composite jumped 1.7%. Two factors helped: Brent crude slipped to around $104 per barrel, and the 10-year US Treasury yield fell 5 basis points to 4.94%, easing inflation worries. Analysts told Reuters that Chair Kevin Warsh's hawkish tone helped restore the Fed's inflation-fighting credibility — the meeting "does make them look independent...it adds trust to the market," said Manulife John Hancock strategist Matthew Miskin.

Note that these are single-session figures from 17 September 2026, not current levels; anyone searching "nasdaq live" should check a real-time quote source for today's numbers.

Why Indian Investors Track These Indices

Indian interest in the S&P 500 is not just curiosity. Many Indians now hold US exposure through international mutual funds, ETFs and direct investing platforms, so the S&P 500 and Nasdaq 100 directly affect their portfolios. Beyond that, US monetary policy ripples into India: Fed rate decisions influence the dollar-rupee exchange rate, foreign institutional flows into Indian equities, and the RBI's own policy room. A hawkish Fed typically pressures emerging-market currencies, while easing oil prices — as seen on 17 September — is generally positive for India's import bill.

What to Watch Next

The Fed has projected one more hike in 2026, though it has not specified timing or size beyond that. The same day, the Bank of England held its rate at 3.75%, with Governor Andrew Bailey warning that energy-driven inflation could force future hikes — a reminder that the global rate cycle is turning in tandem. For Indian readers, the practical takeaway is to treat trending searches as a prompt to understand the indices, not as a signal to trade on stale one-day moves.