The S&P 500 sank 5% in a really dangerous week for shares. These 20 misplaced as a lot as 24%.

Traders have been jittery, reacting to any signal of constant shopper worth will increase or financial energy heading into the Federal Open Market Committee’s assembly on Sept. 20-21. The FOMC will make a coverage announcement on Wednesday, Sept. 21, adopted by Federal Reserve Chairman Jerome Powell’s press convention.

See MarketWatch’s Weekend Reads for a preview of what to anticipate from the Federal Reserve.

Learn: The next financial crisis may already be brewing — but not where investors might expect

Among the many S&P 500, 95% of shares ended the week with declines. On Friday, the highest-profile loser was FedEx Corp., whose shares FDX dropped 21% for the session after the corporate issued a profit warning, citing weakening enterprise circumstances.

Response to FedEx:

The week’s worst decliners among the many S&P 500

Right here’s how the 11 sectors of the S&P 500 fared for the week, sorted by how a lot they declined:

Index	Value change – 1 week	Value change – 2022
Supplies	-6.7%	-19.8%
Actual Property	-6.5%	-22.6%
Communication Companies	-6.4%	-34.2%
Industrials	-6.4%	-16.0%
Info Expertise	-6.1%	-26.3%
Client Discretionary	-4.2%	-23.2%
Utilities	-3.8%	3.4%
Financials	-3.8%	-15.8%
Client Staples	-3.6%	-8.0%
Vitality	-2.6%	41.1%
Well being Care	-2.4%	-9.9%
S&P 500	-4.8%	-18.7%
Supply: FactSet

Listed below are the 20 firms within the S&P 500 whose shares confirmed the biggest declines for the week:

Firm	Ticker	Value change – one week by Sept. 16	Value change – Sept. 16	Value change – 2022	Decline from 52-week intraday excessive	Date of 52-week intraday excessive
Adobe Inc.	ADBE, -3.12%	-24.1%	-3.1%	-47.2%	-57.2%	11/22/2021
FedEx Corp.	FDX, -21.40%	-23.0%	-21.4%	-37.7%	-39.6%	01/05/2022
Nucor Corp.	NUE, -0.16%	-18.4%	-0.2%	2.6%	-37.7%	04/21/2022
WestRock Co.	WRK, -11.48%	-16.3%	-11.5%	-23.0%	-37.7%	05/05/2022
Generac Holdings Inc.	GNRC, -4.07%	-15.9%	-4.1%	-43.2%	-61.8%	11/02/2021
Worldwide Paper Co.	IP, -11.21%	-15.6%	-11.2%	-25.0%	-37.7%	10/13/2021
Eastman Chemical Co.	EMN, -2.67%	-15.5%	-2.7%	-34.6%	-38.9%	01/19/2022
Packaging Corp. of America	PKG, -11.01%	-15.4%	-11.0%	-13.3%	-29.9%	04/21/2022
Western Digital Corp.	WDC, -1.46%	-15.0%	-1.5%	-42.9%	-46.3%	01/05/2022
West Pharmaceutical Companies Inc.	WST, -2.07%	-14.5%	-2.1%	-42.8%	-43.6%	12/27/2021
SVB Monetary Group	SIVB, -4.38%	-14.3%	-4.4%	-46.6%	-52.5%	11/16/2021
Meta Platforms Inc. Class A	META, -2.18%	-13.5%	-2.2%	-56.5%	-61.3%	09/15/2021
Prologis Inc.	PLD, -2.19%	-12.3%	-2.2%	-32.5%	-34.9%	04/21/2022
Mohawk Industries Inc.	MHK, -1.26%	-12.2%	-1.3%	-45.2%	-49.9%	10/28/2021
Sealed Air Corp.	SEE, -4.16%	-12.0%	-4.2%	-27.9%	-31.2%	03/29/2022
Duke Realty Corp.	DRE, -2.14%	-12.0%	-2.1%	-17.9%	-18.6%	12/31/2021
Bio-Rad Laboratories Inc. Class A	BIO, -5.12%	-11.9%	-5.1%	-40.6%	-44.4%	09/15/2021
Lumen Applied sciences Inc.	LUMN, -1.79%	-11.7%	-1.8%	-29.9%	-39.3%	11/05/2021
T. Rowe Value Group	TROW, -1.74%	-11.5%	-1.7%	-44.0%	-50.7%	11/05/2021
Bio-Techne Corp.	TECH, -2.78%	-11.3%	-2.8%	-40.5%	-43.4%	09/23/2021
Supply: FactSet

Adobe Inc. suffered the worst one-week decline in 20 years for its share worth, as analysts questioned the timing and the price of its dilutive deal to acquire Figma.

Right here’s an fascinating take a look at how far Meta Platforms Inc.
META,
-2.18%
has fallen this yr, incorporating the company’s own bleak outlook.

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Hear from Ray Dalio at MarketWatch’s Best New Ideas in Money Festival on Sept. 21 and 22 in New York. The hedge-fund pioneer has sturdy views on the place the economic system is headed.