Corning’s Muted Rally and Volume Slump Highlight Trade Policy Uncertainty Ranked 118th in Market Activity

On September 9, 2025, , , ranking 118th in market activity. The stock’s muted performance reflects broader uncertainty tied to evolving trade policy developments.

, a critical component of a broader trade agreement. South Korean officials warned that unresolved disputes could jeopardize the , a project aimed at revitalizing . The outcome of these talks may indirectly affect Corning, given its exposure to global supply chains and material exports.

Legal challenges to ’s “reciprocal” tariffs have introduced regulatory ambiguity. A federal appeals court ruled most of these tariffs illegal, citing overreach of , and the Treasury Department faces potential refunds if the Supreme Court upholds this decision. While tariffs on gold, tungsten, and have been exempted, unresolved disputes could still disrupt trade flows of other materials in which Corning operates.

Backtesting clarifications are required to evaluate trading rules: screening criteria (e.g., U.S. equity universe), volume measurement (shares vs. dollar volume), portfolio construction (equal-weighted rebalancing), and benchmark comparisons. The process involves creating a custom index for analysis, pending confirmation of these parameters.