Characterize the news's sentiment using the following options.
Options: positive, negative

Walgreens Boots Alliance Inc. WBA, +0.97% shares rose 2.6% in Thursday premarket trading after the pharmacy retailer reported fiscal first-quarter results that beat expectations and raised its full-year guidance. Net income totaled $3.58 billion, or $4.13 per share, after a loss of $308 million, or 36 cents per share, last year.
positive