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Compare · GLW vs PHI

GLW vs PHI

Side-by-side comparison of Corning Incorporated (GLW) and PLDT Inc. Sponsored ADR (PHI): market cap, price performance, sector, and recent activity on the wire.

Summary

  • GLW operates in Industrials, while PHI operates in Telecommunications - the two are in different parts of the market.
  • GLW is the larger of the two at $35.95B, about 4.5x PHI ($7.91B).
  • Over the past year, GLW is up 299.5% and PHI is down 11.2% - GLW leads by 310.7 points.
  • GLW has been more active in the news (14 items in the past 4 weeks vs 1 for PHI).
  • GLW has more recent analyst coverage (25 ratings vs 1 for PHI).
PerformanceGLW+299.50%PHI-11.15%
2025-04-28+0.00%2026-04-24
MetricGLWPHI
Company
Corning Incorporated
PLDT Inc. Sponsored ADR
Price
$175.90+3.79%
$20.79-0.81%
Market cap
$35.95B
$7.91B
1M return
+20.17%
-2.65%
1Y return
+299.50%
-11.15%
Industry
Telecommunications Equipment
Telecommunications Equipment
Exchange
NYSE
NYSE
IPO
News (4w)
14
1
Recent ratings
25
1
GLW

Corning Incorporated

Corning Incorporated engages in display technologies, optical communications, environmental technologies, specialty materials, and life sciences businesses worldwide. The company's Display Technologies segment offers glass substrates for liquid crystal displays and organic light-emitting diodes used in televisions, notebook computers, desktop monitors, tablets, and handheld devices. Its Optical Communications segment provides optical fibers and cables; and hardware and equipment products, including cable assemblies, fiber optic hardware and connectors, optical components and couplers, closures, network interface devices, and other accessories for various carrier network applications. This segment also offers operator-grade distributed antenna systems; optical network evolution wireless platform; subscriber demarcation, connection and protection devices, various digital subscriber line passive solutions, and outside plant enclosures; and coaxial RF interconnects for the cable television industry and microwave applications. The company's Environmental Technologies segment offers ceramic substrates and filter products for emissions control in mobile, gasoline, and diesel applications. Its Specialty Materials segment manufactures products that provide material formulations for glass, glass ceramics, and fluoride crystals. The company's Life Sciences segment offers laboratory products comprising consumables, such as plastic vessels, specialty surfaces, cell culture media, and serum, as well as general labware and equipment under the Corning, Falcon, Pyrex, and Axygen brands. The company was formerly known as Corning Glass Works and changed its name to Corning Incorporated in April 1989. Corning Incorporated was founded in 1851 and is headquartered in Corning, New York.

PHI

PLDT Inc. Sponsored ADR

PLDT Inc. operates as a integrated telecommunications company in the Philippines. The company operates in three segments: Wireless, Fixed Line, and Others. The company offers cellular mobile, Internet broadband distribution, operations support, software development, and satellite information and messaging services; and intelligent data processing and implementation, and data analytics insight generation services, as well as business infrastructure and solutions. It also provides information and communications infrastructure for Internet-based services, e-commerce, customer relationship management, and information technology (IT) related services. In addition, the company offers managed IT outsourcing, Internet-based purchasing, IT consulting and professional, bills printing and other related value-added, and air transportation services; and full-services customer rewards and loyalty programs. Further, it sells Wi-Fi access equipment; and distributes Filipino channels and content. As of December 31, 2020, it had 72,933,839 mobile broadband subscribers; 3,042,815 fixed line subscribers; and 3,090,118 fixed wireless broadband subscribers. The company was formerly known as Philippine Long Distance Telephone Company and changed its name to PLDT Inc. in July 2016. PLDT Inc. was founded in 1928 and is headquartered in Makati City, the Philippines.