Nintendo stock price up 9% after Pokémon Go launch

Pocket monster are capable of amazing feats, like rallying investment in a game publisher.

Nintendo’s stock price is up 9 percent on the Tokyo Stock Exchange following the release of the location-based mobile game Pokémon Go. The iOS and Android app debuted Wednesday evening in the United States, and it has fans outside walking around looking for digital creatures to catch on a GPS-powered world map. The free download shot to No. 1 on the top-grossing chart in less than a day. With that level of demand, developer Niantic is having trouble keeping its servers up, and players are complaining about outages and connection issues.