---
title: "ARKG jumps 7.8% as genomics leads a narrow rebound"
url: "https://etf.net/news/arkg-jumps-7-8-as-genomics-leads-a-narrow-rebound-2026-09-17"
published_at: "2026-09-17T21:09:43.091Z"
updated_at: "2026-09-17T21:09:43.091Z"
byline: "ETF.net Research"
---

# ARKG jumps 7.8% as genomics leads a narrow rebound

Thursday, September 17, 2026: The ARK Genomic Revolution ETF rose 7.8%. The S&P 500 gained 1.1% to 7,637. Generac climbed 18% on an Amazon generator agreement.

By ETF.net Research. Published Sep 17, 2026.

A day after the Federal Reserve raised its federal-funds target a quarter point to **3.75%–4.00%** on a 12–0 vote, ARK Genomic Revolution ETF ARKG jumped **7.8%**, as Tempus AI rose 15% and Schrödinger 26%.

The S&P 500 rose **1.1%**. Equal-weight S&P 500 fund RSP gained **0.5%**. The financials sector fund XLF slipped 0.1%. The Russell 2000 added 0.6%.

The 10-year Treasury yield ended at **4.94%**, down 6 basis points. iShares 20+ Year Treasury Bond ETF TLT rose **1.1%**. The CBOE Volatility Index fell **13%** to 15.44.

Chart: **ARKG** gained 7.8%, more than four times QQQ

## Tempus, Schrödinger, and ARKG's 7.8%

The genomics fund closed at **$51.59** after tagging a 52-week high of **$52.09**. About **8.6 million** shares changed hands, more than twice recent daily volume. It is up **19%** over one month and **78%** year to date. This was a continuation, not a turn.

Tempus AI, an 8.5% weight, contributed **1.3 percentage points**, the most of any holding, after CEO Eric Lefkofsky on Tuesday told Morgan Stanley's healthcare conference that reimbursement and test-pricing changes would lift revenue. Twist Bioscience added **0.8 points** following Wednesday's agreement to supply antibody data to Eli Lilly's TuneLab platform. Schrödinger, a drug-discovery software name, contributed **0.7 points** and printed a 52-week high of **$30.41**, a move that arrived without an operational update from the company. Absci rose **15%**. Those four names accounted for **3.4 percentage points** of the fund's gain.

## Generac's Amazon contract

Generac Holdings rose **18%** to **$207.23**, after trading as high as **$233.18**. A Wednesday 8-K said Amazon will take backup generators for its data centers, with initial deliveries expected to total **$2.4 billion** in 2027 and 2028. Warrant shares vest against qualifying payments of up to **$8 billion**. Amazon gained **2.1%**.

## SOXX gains 3.4% as yields and oil fall

Semiconductors rose with large-cap technology as Treasury yields and crude fell, a partial repair of [Monday's 5.6% drop](https://etf.net/news/cybersecurity-etfs-rise-10-7-as-chip-funds-fall-5-6-on-ai-slowdown-call-2026-09-14) in iShares Semiconductor ETF SOXX. West Texas Intermediate futures last traded at **$101.29**, down **1.1%**. Super Micro Computer climbed 9.5%. Arm Holdings gained 8.6%, Intel 7.7%. Advanced Micro Devices added 6.4% and Micron 5.5%. The semiconductor fund gained **3.4%**. Roundhill Memory ETF DRAM rose 4.4%. YieldMax's Super Micro option-income fund SMCY returned 6.2%, including a $0.0669 weekly distribution.

The Nasdaq Composite closed **1.7%** higher at **26,418**. Invesco QQQ Trust QQQ gained **1.7%**. Technology sector fund XLK rose **2.2%**.

The chip fund is still **2.2%** lower over one month and **21%** below its 52-week high. Thursday took back a piece of Monday. It did not take back the month.

Source: etf.net, https://etf.net/news/arkg-jumps-7-8-as-genomics-leads-a-narrow-rebound-2026-09-17. Please cite the page URL.