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About Cabling Installation & Maintenance:

Bringing practical business and technical intelligence to today's structured cabling professionals.

For more than 30 years, Cabling Installation & Maintenance has provided useful, practical information to professionals responsible for the specification, design, installation and management of structured cabling systems serving enterprise, data center and other environments. These professionals are challenged to stay informed of constantly evolving standards, system-design and installation approaches, product and system capabilities, technologies, as well as applications that rely on high-performance structured cabling systems. Our editors synthesize these complex issues into multiple information products. This portfolio of information products provides concrete detail that improves the efficiency of day-to-day operations, and equips cabling professionals with the perspective that enables strategic planning for networks’ optimum long-term performance.

Throughout our annual magazine, weekly email newsletters and 24/7/365 website, Cabling Installation & Maintenance digs into the essential topics our audience focuses on:

  • Design, Installation and Testing: We explain the bottom-up design of cabling systems, from case histories of actual projects to solutions for specific problems or aspects of the design process. We also look at specific installations using a case-history approach to highlight challenging problems, solutions and unique features. Additionally, we examine evolving test-and-measurement technologies and techniques designed to address the standards-governed and practical-use performance requirements of cabling systems.
  • Technology: We evaluate product innovations and technology trends as they impact a particular product class through interviews with manufacturers, installers and users, as well as contributed articles from subject-matter experts.
  • Data Center: Cabling Installation & Maintenance takes an in-depth look at design and installation workmanship issues as well as the unique technology being deployed specifically for data centers.
  • Physical Security: Focusing on the areas in which security and IT—and the infrastructure for both—interlock and overlap, we pay specific attention to Internet Protocol’s influence over the development of security applications.
  • Standards: Tracking the activities of North American and international standards-making organizations, we provide updates on specifications that are in-progress, looking forward to how they will affect cabling-system design and installation. We also produce articles explaining the practical aspects of designing and installing cabling systems in accordance with the specifications of established standards.

Nasdaq-100 Logs Its 3rd-Largest One-Day Rally as QQQ Jumps 12% on April 9 2025

Financial Tech Wiz research spotlights tariff-relief rebound and lessons for investors

Chicago, IL - April 30, 2025 - Financial Tech Wiz, a leading provider of trading education, released new data confirming that Wednesday, April 9, 2025, marked the third-biggest single-day percentage gain in history for the Invesco QQQ Trust (Nasdaq-100 ETF). QQQ surged about 12%, while the SPDR S&P 500 ETF (SPY) climbed 9.41%, after the U.S. administration announced a 90-day suspension of proposed import tariffs, instantly easing macro-fear that had gripped markets through late March.

“Our historical database shows the market’s most powerful upside shocks often erupt in the depths of pessimism,” said Mike Toney-Hoffman, founder of Financial Tech Wiz. “Missing even one day like April 9 can meaningfully dent long-term performance, which is why we study and publish these extremes.”

Top Nasdaq-100 Gain Days (Financial Tech Wiz calculations)

  1. Jan 3, 2001 — 16.84 % (emergency Fed rate cut)
  2. Oct 13, 2008 — 12.17 % (global bank-rescue plans)
  3. Apr 9, 2025 — 12.00 % (90-day U.S. tariff suspension)
  4. Oct 28, 2008 — 11.05 % (credit-market backstop)
  5. April 18, 2001 — 10.42 % (rate cut)

Methodology: Percentage change from prior close to same-day close.

Why April 9 2025 Matters

  • Sentiment whipsaw: The tariff pause reversed weeks of selling in semiconductor and cloud-software names, unleashing a buying frenzy that vaulted the Nasdaq-100 over 1,540 points in hours.
  • Portfolio impact: Investors out of the market for a single session missed returns equivalent to multiple months of average performance.
  • Historical rhyme: Nine of the ten biggest Nasdaq-100 rallies have occurred during bear-market stress, underscoring the cost of panic selling.

About Financial Tech Wiz

Financial Tech Wiz offers data-driven market research, platform reviews, and trading tools.. The site is known for combining rigorous analytics with plain-English education so traders can act confidently without hype.

Read the full study, “The 10 Best Days in Stock-Market History for SPY & QQQ,” at https://www.financialtechwiz.com/post/best-days-in-stock-market-history/.

Media Contact
Company Name: Financial Tech Wiz
Contact Person: Mike Toney-Hoffman
Email: Send Email
City: Chicago
State: IL 60610
Country: United States
Website: https://www.financialtechwiz.com/

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