Nintendo Shares Plunge After Warning that Pokemon Go’s Impact Is ‘Limited’ by Reuters @FortuneMagazine July 24, 2016, 11:57 PM EDT E-mail Tweet Facebook Linkedin Share icons Shares of Nintendo nintendo tumbled as much as 18% early on Monday after the company said smash-hit mobile game Pokemon GO would have only a limited impact on its earnings. Nintendo said after the market closed on Friday that it had already factored in anticipated revenues from its Pokemon GO Plus device – an accessory worn on the wrist to alert players of nearby monsters to catch – and that it had no plans to revise its annual earnings forecasts for now. See also: Thanks to Pokémon Go, Nintendo’s Market Cap Just Doubled to $42 Billion Nintendo said its affiliate Pokemon Co receives licensing and fees from the game’s developer, Niantic, and that profits at Nintendo from those revenues would be limited. The company, which owns 32% of Pokemon Co, is due to report first-quarter earnings on Wednesday. See also: Pokemon Go May Force Nintendo to Change Its Long-Term Business Strategy The phenomenal success of Pokemon GO has triggered massive buying in Nintendo shares and even with Monday’s decline, the shares are still up some 60% compared with levels prior to the game’s July 6 launch in the United States, Australia and New Zealand. Nintendo shares were down 17.6% in mid-morning trade, a slide of 4,965 yen – just shy of the daily limit of 5,000 yen for the stock.