World’s largest coffee chain in drive to boost sales and win back customers as new CEO urges ‘fundamental change’

Starbucks reassured Wall Street with a smaller-than-expected drop in comparable sales, an early sign that its efforts to revive sluggish demand could be bearing fruit.

The world’s largest coffee chain, which earlier this month announced that people using its cafes cross North America need to buy something, is in the midst of a turnaround bid to win back customers.