Starbucks perks up after OTR Global lift

• OTR Global lifts Starbucks (NASDAQ:SBUX) to a Positive rating after having the stock set at Mixed.
• The investment firm leans on a survey showing strong FQ1 trends for Starbucks and thinks the chain is beginning to leveraging its Mobile Order & Pay platform.
• SBUX +0.38% premarket to $58.22 vs. a 52-week trading range of $50.84 to $61.78.