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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.
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IBM, Verizon, Merck stocks lead Dow to new highs

photo of newspaper with words Dow Stocks prominently displayed;glasses resting on paper

You don't hear as much about the Dow Jones Industrial Average as investors did a few decades ago, as the broad consensus has deemed the S&P 500 a better indicator of market conditions.

But the Dow is rallying to all-time highs, led by International Business Machines (NYSE: IBM), Verizon Communications Inc. (NYSE: VZ), Merck & Co. Inc. (NYSE: MRK) and perhaps an unlikely leader, insurance giant The Travelers Companies, Inc. (NYSE: TRV).

Those first three components, hailing from the ranks of technology stocks, telecom stocks and pharmaceutical stocks, make sense, as those areas have been in growth mode. 

But insurance? 

As a whole, the decidedly unglamorous insurance industry has been on a tear. The iShares U.S. Insurance ETF (NYSEARCA: IAK) advanced 6.85% in January. 

Leading Dow stock gaps higher

Before reviewing the internals of the Dow itself, and whether it's become a relevant market indicator lately, take a look at the Travelers Companies chart. The stock leaped 6.72% on January 19 as the company reported core income more than doubled as premiums and income from investments rose, while catastrophe insurance payments declined.

Personal insurance premiums climbed 13% as customers' rates increased.

Travelers stock began rallying in late October and has posted a three-month gain of 32.01% and a January gain of 10.83%. 

Sure, Travelers looks like a good stock at the moment, as it's trading at new highs, and analysts expect double-digit earnings growth this year and next.

Dow gainers' S&P weightings

But its performance as a Dow leader is instructive, taken in context with fellow top performers IBM, Verizon and Merck.

Here's where those four stocks stack up in terms of weightings in the S&P 500:

  • IBM: 0.42%
  • Verizon: 0.43%
  • Merck: 0.75%
  • Travelers:  0.12%

You can pretty easily see that none of those are likely to make a dent in S&P performance to the degree of tech stalwarts and index heavyweights Microsoft Corp. (NASDAQ: MSFT), Apple Inc. (NASDAQ: AAPL), Nvidia Corp. (NASDAQ: NVDA), Amazon.com Inc. (NASDAQ: AMZN), Alphabet Inc. (NASDAQ: GOOGL) and Meta Platforms Inc. (NASDAQ: META). 

The influence those stocks have over S&P performance has been widely documented. Like the Dow, the S&P 500 is also trading at new highs, driven by AI business of stocks including Nvidia, Juniper Networks Inc. (NYSE: JNPR) and Advanced Micro Devices Inc. (NASDAQ: AMD).

Is the Dow a market strength indicator?

But that brings us back to the question of whether the Dow has renewed value as a market indicator. 

The S&P's market-cap weighting isn't reflecting the strength of IBM, Verizon, Merck and Travelers in its overall return. That arguably puts the Dow in a position of more accurately indicating market breadth beyond a handful of stocks rallying on the promise of AI. 

It may seem old-fashioned to look to the Dow as a market indicator. That makes sense, given the Dow's inclusion of reliable dividend stocks such as Coca-Cola Co. (NYSE: KO) and 3M Co. (NYSE: MMM), with less reliance on fast-moving, younger growth stocks. 

Despite its smaller size compared to the S&P 500, the Dow's 30-stock concentration gives it some value as a  snapshot of traditional blue-chip stock movements.

Dow also tracks market's growth themes

At this juncture, it's not a bad indicator of market health outside of stocks rallying on gains from hot investing themes including AI, cloud computing and anti-obesity drugs. All of those offer a compelling investment thesis, but they represent very select corners of the market. 

That's not to say there aren't stocks in the Dow benefiting from those trends. For example, Apple, which rallied in 2023 despite not being an AI player, is getting new attention for its AI efforts and the launch of its Vision Pro spatial computing headsets. 

Dow components Microsoft and Salesforce Inc. (NYSE: CRM) have a presence in both AI and cloud computing, and Amgen Inc. (NASDAQ: AMGN) has been rising due to its applications of AI in the field of drug discovery, as well as its advances in cancer treatments. 

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