It's the first time in 2 years that Starbucks has seen an increase in U.S. comparable transactions.

Hightower's Stephanie Link lays out the case for Starbucks ahead of earnings Wednesday.

Shares of Starbucks have fallen more than 3% over the last year.

It's the first time in 2 years that Starbucks has seen an increase in U.S. comparable transactions.

Investor day messaging and an upbeat earnings print reinforced growing confidence in the turnaround story.