# US Stock Market This Week: S&P 500 −1.9% in the Week to 16 October 2026

> 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.

Page: https://www.sectoralpha.in/us-stock-market-this-week
About this page: By Roshan · Updated 16 October 2026 · Friday close, week to 16 Oct 2026 · How the numbers are worked out
Full list as CSV: https://www.sectoralpha.in/us-stock-market-this-week.csv

## Questions this page answers

### 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. (Index closes, Friday 9 Oct 2026 to Friday 16 Oct 2026, New York time. Rewritten every weekend)
Link: https://www.sectoralpha.in/us-stock-market-this-week#market

### 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. (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)
Link: https://www.sectoralpha.in/us-stock-market-this-week#byday

### 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. (US companies we track, grouped by sector and weighted by market value; closes of 9 Oct 2026 and 16 Oct 2026)
Link: https://www.sectoralpha.in/us-stock-market-this-week#sectors

### 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. (Friday 9 Oct 2026 close to Friday 16 Oct 2026 close)
Link: https://www.sectoralpha.in/us-stock-market-this-week#gainers

### 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. (Friday 9 Oct 2026 close to Friday 16 Oct 2026 close)
Link: https://www.sectoralpha.in/us-stock-market-this-week#losers

### 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. (Each list compared with its own previous stored week, by the same rule)
Link: https://www.sectoralpha.in/us-stock-market-this-week#lists

### 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). (Weekly US scan to 19 Oct 2026 against the scan of 12 Oct 2026)
Link: https://www.sectoralpha.in/us-stock-market-this-week#started

### 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. (NYSE holidays and hours as published, read 20 Oct 2026. India does not change its clocks; the US does)
Link: https://www.sectoralpha.in/us-stock-market-this-week#next

### 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.

Disclosure: Sector Alpha is not a SEBI-registered research analyst. This page is information and education only, not a recommendation to buy, sell or hold any security. No price targets or analyst ratings are given. Tax and remittance rules change; check them with your bank or a tax adviser before you act. Data: US prices and company figures through our daily pipeline. Past performance does not indicate future results.