Alphabet Inc. shares climbed 3.7% to $350.24 on Monday as the Google parent company officially joined the Dow Jones Industrial Average.
The move replaces telecommunications giant Verizon Communications, marking a significant composition change for the historic 30-stock index.
The inclusion underscores the Dow's continued pivot toward technology and growth-oriented sectors.
As a price-weighted index, the addition of a high-priced stock like Alphabet carries substantial weight, potentially influencing the index's trajectory more than lower-priced constituents.
The swap reflects S&P Global's ongoing effort to keep the benchmark relevant amid shifting market leadership.
Verizon's removal signals a retreat from traditional telecom holdings in the Dow, which has increasingly favored mega-cap tech firms.