US Stock Market This Week: S&P 500 −1.9% in the Week to 16 October 2026
The US market's week in numbers, then what changed in our US stock lists, and whether the market is open next week. Rewritten every weekend.
In the week to 16 October 2026, the S&P 500 fell 1.9%, the Nasdaq 100 fell 5.5% and the Dow rose 0.7%. Consumer Staples led the 11 US sectors (+5.4%) and Technology trailed (−6.2%). 123 US stocks started beating the S&P 500 in our weekly scan.
India this week: the Nifty 500, sectors and our India lists
How did the US stock market do this week?
In the week to Friday 16 October 2026, the S&P 500 fell 1.9%, the Nasdaq 100 fell 5.5% and the Dow rose 0.7%. Of 3,446 US companies worth $200 million or more that we track, 1,623 ended the week higher and 1,808 lower. Consumer Staples did best of the 11 sectors.
The US week to 16 Oct 2026 in numbers
- S&P 500 closed at 7,659.44, −1.9% from 7,811.54
- Nasdaq 100 closed at 29,187.55, −5.5% from 30,883.15
- Dow Jones closed at 52,002.41, +0.7% from 51,654.95
- 1,623 companies up, 1,808 down (US-listed, worth $200 million or more)
Index closes, Friday 9 Oct 2026 to Friday 16 Oct 2026, New York time. Rewritten every weekend
US stock market this week by day
In the week to 16 October 2026, the S&P 500 rose on 1 of 5 trading days. Its best day was Thursday (+0.3%) and its weakest was Wednesday (−1.1%). It closed the week at 7,659.44, against 7,811.54 on the Friday before.
| Day | S&P 500 | Change | Nasdaq 100 | Change | Dow Jones | Change |
|---|---|---|---|---|---|---|
| Monday, 12 Oct | 7,807.24 | −0.1% | 30,664.70 | −0.7% | 51,850.55 | +0.4% |
| Tuesday, 13 Oct | 7,805.45 | −0.0% | 30,569.48 | −0.3% | 51,670.10 | −0.3% |
| Wednesday, 14 Oct | 7,718.94 | −1.1% | 29,950.82 | −2.0% | 51,621.48 | −0.1% |
| Thursday, 15 Oct | 7,744.06 | +0.3% | 29,935.59 | −0.1% | 52,177.69 | +1.1% |
| Friday, 16 Oct | 7,659.44 | −1.1% | 29,187.55 | −2.5% | 52,002.41 | −0.3% |
US stock market this week: S&P 500, Nasdaq 100 and Dow
Each index set to 100 at the 9 Oct 2026 close
- S&P 500 98.1
- Nasdaq 100 94.5
- Dow Jones 101
| Date | S&P 500 | Nasdaq 100 | Dow Jones |
|---|---|---|---|
| 9 Oct | 100 | 100 | 100 |
| 12 Oct | 99.9 | 99.3 | 100 |
| 13 Oct | 99.9 | 99 | 100 |
| 14 Oct | 98.8 | 97 | 99.9 |
| 15 Oct | 99.1 | 96.9 | 101 |
| 16 Oct | 98.1 | 94.5 | 101 |
The US market closes at 4:00 pm New York time, which is early morning the next day in India. Day changes are close to close.
Daily closes, New York time, 9 Oct 2026 to 16 Oct 2026. Each S&P 500 day move checked against SPY: 5 of 5 agree
Which US sectors did best this week?
Consumer Staples did best of 11 US sectors in the week to 16 October 2026, +5.4%, then Energy (+4.5%) and Healthcare (+2.4%). Technology did worst (−6.2%), and 6 of the 11 rose. The S&P 500 fell 1.9%. Each sector is its companies weighted by size.
| # | Sector | Week change | Companies | Up this week |
|---|---|---|---|---|
| 1 | Consumer Staples | +5.4% | 149 | 109 |
| 2 | Energy | +4.5% | 196 | 112 |
| 3 | Healthcare | +2.4% | 556 | 168 |
| 4 | Utilities | +1.8% | 96 | 60 |
| 5 | Real Estate | +1.2% | 182 | 109 |
| 6 | Financials | +0.9% | 602 | 374 |
| 7 | Materials | −0.6% | 220 | 79 |
| 8 | Industrials | −0.7% | 456 | 190 |
| 9 | Consumer Discretionary | −1.3% | 350 | 223 |
| 10 | Communication Services | −1.4% | 139 | 66 |
| 11 | Technology | −6.2% | 499 | 133 |
These are our own sector figures, not the official S&P sector indices. A big company moves its sector most.
US companies we track, grouped by sector and weighted by market value; closes of 9 Oct 2026 and 16 Oct 2026
Top gainers in the US stock market this week
The top gainers in the week to 16 October 2026, among 2,437 US companies worth $1 billion or more, were Regencell Bioscience Holdings (+30.5%), Liquidia (+25.5%) and FIGS (+21.2%). The list gives the top 10. Big one-week moves often follow results or company news, so check the filings.
- Regencell Bioscience Holdings: +30.5% Drug Manufacturers - Specialty & Generic · $5.0 billion
- Liquidia: +25.5% Drug Manufacturers - Specialty & Generic · $3.1 billion
- FIGS: +21.2% Apparel Manufacturing · $3.2 billion
- Cracker Barrel Old Country Store: +20.0% Restaurants · $1.5 billion
- Biglari Holdings: +19.3% Restaurants · $1.4 billion
- Bath & Body Works: +16.1% Specialty Retail · $4.0 billion
- Fair Isaac: +15.5% Software - Application · $16.9 billion
- Elbit Systems: +15.2% Aerospace & Defense · $35.4 billion
- Wipro: +14.7% Information Technology Services · $19.0 billion
- National Beverage: +14.5% Beverages - Non-Alcoholic · $3.2 billion
Friday 9 Oct 2026 close to Friday 16 Oct 2026 close
Biggest losers in the US stock market this week
The biggest losers in the week to 16 October 2026, among 2,437 US companies worth $1 billion or more, were Cipher Digital (−33.6%), Applied Optoelectronics (−31.1%) and Ichor Holdings (−29.7%). The list gives the 10 biggest falls. Check the company filings for the reason.
- Cipher Digital: −33.6% Information Technology Services · $3.7 billion
- Applied Optoelectronics: −31.1% Communication Equipment · $7.1 billion
- Ichor Holdings: −29.7% Semiconductor Equipment & Materials · $1.6 billion
- VNET Group: −29.1% Information Technology Services · $1.1 billion
- Ouster: −28.7% Electronic Components · $2.1 billion
- Securitize: −28.7% Financial Data & Stock Exchanges · $1.6 billion
- Aehr Test Systems: −28.4% Semiconductor Equipment & Materials · $2.1 billion
- Vicor: −28.0% Electronic Components · $8.8 billion
- PDF Solutions: −27.9% Software - Application · $1.7 billion
- FuelCell Energy: −27.9% Electrical Equipment & Parts · $1.0 billion
Friday 9 Oct 2026 close to Friday 16 Oct 2026 close
What changed in our US stock lists this week?
In the scan to 19 October 2026, 123 US stocks started beating the S&P 500 by 5 points or more over 3 months and 104 stopped. 6 names joined our undervalued screen and 2 left in the run of 20 October 2026. Index member changes start next week.
Our US lists this week
- Beating the S&P 500: 123 started and 104 stopped, 796 now against 781 (scans of 12 Oct 2026 and 19 Oct 2026)
- Undervalued screen: 6 joined and 2 left, 41 pass now against 37 (runs of 12 Oct 2026 and 20 Oct 2026)
- Top 10 by value: Berkshire Hathaway came in, Micron Technology dropped out
- Near a 52-week high: 274 on 19 Oct 2026, against 282 a week earlier
- Nasdaq 100, S&P 500 and Dow members: our first stored snapshot is from 20 Oct 2026, so joiners and leavers start with the next one
Joined the undervalued screen
- Nutanix Software - Infrastructure · $18.3 billion
- Arm Holdings Semiconductors · $244 billion
- Sea Internet Retail · $54.2 billion
- First Solar Solar · $18.5 billion
- PepsiCo Beverages - Non-Alcoholic · $182 billion
- Equinix REIT - Specialty · $96.3 billion
Left the undervalued screen
- Koninklijke Philips Medical Devices · $25.1 billion
- Smith & Nephew Medical Devices · $11.9 billion
See each list: Nasdaq 100 · S&P 500 · Dow Jones · top US companies · US stock screener · US penny stocks · undervalued US stocks.
Each list compared with its own previous stored week, by the same rule
Which US stocks started beating the S&P 500 this week?
123 US stocks started beating the S&P 500 by 5 points or more over 3 months in the scan to 19 October 2026, and 104 stopped. The newcomers leading by most were Silence Therapeutics (+74.0 points), Gold Resource (+66.3 points) and Baozun (+46.3 points).
- Silence Therapeutics: +74.0 points vs S&P 500 Biotechnology · $1.2 billion
- Gold Resource: +66.3 points vs S&P 500 Other Precious Metals & Mining · $578 million
- Baozun: +46.3 points vs S&P 500 Internet Retail · $223 million
- Rapid7: +35.6 points vs S&P 500 Software - Infrastructure · $891 million
- Personalis: +31.1 points vs S&P 500 Diagnostics & Research · $1.7 billion
- Pershing Square: +28.2 points vs S&P 500 Asset Management · $17.9 billion
- Commerce.com: +23.2 points vs S&P 500 Software - Application · $288 million
- CS Disco: +22.4 points vs S&P 500 Software - Application · $292 million
- Sagimet Biosciences: +21.6 points vs S&P 500 Biotechnology · $628 million
- Cadiz: +18.7 points vs S&P 500 Utilities - Regulated Water · $338 million
Weekly US scan to 19 Oct 2026 against the scan of 12 Oct 2026
Is the US stock market open next week?
Yes. The NYSE and Nasdaq are open all five days in the week of 19 Oct to 23 Oct 2026. They trade 9:30 am to 4:00 pm New York time, which is 7:00 pm to 1:30 am the next morning in India. The next holiday is Thanksgiving Day on 26 November 2026.
| Day | US market | Opens (India time) | Closes (India time) |
|---|---|---|---|
| Monday, 19 Oct | Open | 7:00 pm | 1:30 am, next day |
| Tuesday, 20 Oct | Open | 7:00 pm | 1:30 am, next day |
| Wednesday, 21 Oct | Open | 7:00 pm | 1:30 am, next day |
| Thursday, 22 Oct | Open | 7:00 pm | 1:30 am, next day |
| Friday, 23 Oct | Open | 7:00 pm | 1:30 am, next day |
The next US market holidays
- Thursday 26 November 2026: Thanksgiving Day
- Friday 25 December 2026: Christmas Day
- Friday 1 January 2027: New Year's Day
- Monday 18 January 2027: Martin Luther King, Jr. Day
- Friday 27 November 2026: Day after Thanksgiving, early close at 1:00 pm New York time
- Thursday 24 December 2026: Christmas Eve, early close at 1:00 pm New York time
Source: NYSE holidays and trading hours. This page reports the week that closed. It does not forecast the next one.
NYSE holidays and hours as published, read 20 Oct 2026. India does not change its clocks; the US does
Questions people ask about the US stock market this week
How did the US stock market do this week?
In the week to 16 October 2026, the S&P 500 fell 1.9%, the Nasdaq 100 fell 5.5% and the Dow rose 0.7%. 1,623 of 3,446 US companies we track ended the week higher.
Which US sector did best this week?
Consumer Staples, +5.4% in the week to 16 October 2026. Technology did worst, −6.2%.
What were the top US gainers this week?
Regencell Bioscience Holdings (+30.5%), Liquidia (+25.5%) and FIGS (+21.2%), among US companies worth $1 billion or more, in the week to 16 October 2026.
What time does the US stock market open in India?
At 7:00 pm India time in the week of 19 Oct 2026, closing at 1:30 am the next morning. It opens an hour later, at 8:00 pm, while the US is on winter time.
Does this page predict next week?
No. It reports the week that closed, from index closes and our weekly US scan. Sector Alpha gives no forecasts, tips or price targets.
More lists
All 31 lists, grouped