McKesson Corp. boosted its per-share earnings guidance to reflect the health-care giant's early adoption of new rules to account for stock-based compensation in its earnings reports.

The San Francisco company's shares rose 1.9% to $180 in recent light premarket trading.

For the fiscal year ending March 31, 2017, McKesson now expects per-shares earnings of $13.43 to $13.93, compared with its previous forecast for per-share profit of $13.30 to $13.80.

The updated outlook was disclosed ahead of McKesson's Investor Day event Wednesday, where participants likely will be watching for more details about the company's plans for a health-care information-technology joint venture.

McKesson on Tuesday said it planned to combine most of its technology segment with the bulk of Change Healthcare Holdings Inc., which is majority owned by Blackstone Group LP. McKesson would own 70% of the new company, with the rest owned by Change Healthcare's shareholders, including Blackstone and Hellman & Friedman LLC. The new venture would later be taken public in an initial public offering.

Earlier this month, The Wall Street Journal reported that McKesson was considering a separation of its information-technology unit as the company grapples with pricing pressure in its core drug-distribution business.

Write to Tess Stynes at tess.stynes@wsj.com

(END) Dow Jones Newswires

June 29, 2016 09:25 ET (13:25 GMT)

Copyright (c) 2016 Dow Jones & Company, Inc.
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