TBB is in the Communication Services sector. Sector is a broad classification that groups companies based on their business activities, industry focus or economic function.
TBB is in the Telecom Services industry. Industry is a more specific classification within a sector, grouping companies that operate in a similar field and have closely related business models.
Over the past 52 weeks, AT&T Inc. 5.350 Percent Global Notes due 2066 (TBB) has traded between a low of $21.55 and a high of $24.10.
TBB is in the Telecommunication Services industry group. Industry group is a further subdivision within an industry, grouping companies with even more closely related business models and operations. This helps investors analyze stocks at a more detailed level than sector and industry classifications alone.

























