Starbucks (SBUX) opens its first juice bar today, in upscale Bellevue, Washington, going up...

|By:, SA News Editor

Starbucks (SBUX) opens its first juice bar today, in upscale Bellevue, Washington, going up against rivals like Jamba (JMBA) with hopes the new line of Evolution Fresh shops will boost its position in the $50B health food sector. The juice bar business is fragmented and highly competitive, and analysts say the Evolution Fresh shops could have lower margins than Starbucks' coffee shops.