AT&T Mobility, created in 2000 (United States), from 10 sister brands and 3048 competing brands. AT&T Mobility's notoriety arose from exemplary management which optimizes product quality and client satisfaction, which in turn generate financial performance, and therefore, stock performance. Being a Popular brand online is assessed based on the evolution of worldwide Web searches over the last five years.

The following interest graph for AT&T Mobility shows the evolution of worldwide Web searches in the last five years. The graph shows the evolution of AT&T Mobility search rates over time, with a value of 100 indicating the month when it was highest.
Evolution of interest in the search “AT&T Mobility” (Google Trends)
Sources: Google Trends and Allbrands.markets
Compare the 5-year Web notoriety graph with the 5-year market price graph:
Notoriety -> Market prices