Markets: 2026-09-22 Close

A sourced recap of the previous completed U.S. trading session. Closing moves are not real-time quotes.

The market tape

- **S&P 500 (SPX)**: -0.00%, closed at 7,764.64 - **Nasdaq Composite (COMP)**: +0.45%, closed at 27,244.28 - **Dow Jones Industrial Average (DJIA)**: -0.36%, closed at 51,863.69 - **Russell 2000 (RUT)**: +0.51%, closed at 2,889.92

Sector leaders and laggards

- Leaders: Materials +1.90%; Consumer staples +1.20%; Information technology +0.63% - Laggards: Financials -1.98%; Energy -1.01%; Communication services -1.01%

Notable movers

Viking Therapeutics (VKTX) +35.67%

Viking reported positive results from a maintenance study of its investigational obesity drug VK2735. A large, heavily traded move tied to clinical data in the competitive obesity-drug market.

Sources: September 22 closing price, percentage change and volume · Primary catalyst

Vicor (VICR) +19.85%

After the September 21 close, Vicor raised its third-quarter sequential revenue-growth guidance from nearly 10% to more than 20%, citing licensing royalties. A substantial guidance increase highlighted demand for its power-delivery intellectual property.

Sources: September 22 closing price, percentage change and volume · Primary catalyst

Royal Caribbean Group (RCL) -6.14%

Shares fell following September 22 reporting that Royal Caribbean was nearing a roughly $3 billion deal for a stake in Sandals Resorts. The subsequently announced agreement was not yet confirmed by the company during this session. A potential multibillion-dollar move into land-based resorts prompted a sharp selloff in the cruise operator.

Sources: September 22 closing price, percentage change and volume · Dated reporting available for the September 22 session

On Holding (ONON) +7.58%

At its investor day, On presented 2029 growth and margin targets and announced authorization to repurchase up to $1 billion of shares through 2029. Long-term targets and a first buyback put the sportswear company's growth and capital-allocation plans in focus.

Sources: September 22 closing price, percentage change and volume · Primary catalyst

Shopify (SHOP) +7.12%

Shopify's documented Meta AI-channel and direct-checkout integration provided context for the continuing agentic-commerce rally; a new September 22 announcement was not verified. A large move in a major commerce platform extended its advance from the preceding session.

Sources: September 22 closing price, percentage change and volume · Primary integration context; published September 8 · Primary product documentation

Lennar (LEN) +6.38%

Berkshire Hathaway disclosed additional Lennar share purchases in SEC ownership filings. The disclosed buying drew attention to a large homebuilder and the housing outlook.

Sources: September 22 closing price, percentage change and volume · Primary ownership context · Corroborating catalyst reporting

AutoZone (AZO) +3.26%

AutoZone reported fiscal fourth-quarter earnings of $56.05 per diluted share and net sales of $6.6 billion. A multibillion-dollar trading day followed earnings from a major auto-parts retailer.

Sources: September 22 closing price, percentage change and volume · Primary catalyst

THOR Industries (THO) +5.52%

THOR released fiscal fourth-quarter results. The company reported full-year sales above the high end of its guidance while describing a difficult recreational-vehicle retail market. The gain followed results that offered a mixed read on discretionary spending and RV demand.

Sources: September 22 closing price, percentage change and volume · Primary catalyst

Stock spotlight

Today’s detailed follow-up focuses on **Viking Therapeutics (VKTX)**, the strongest verified editorial candidate from this slate.

_MacroShed Markets is informational analysis, not investment advice._