Archer Aviation (NYSE:ACHR) stock is surging today, up more than 15% as of this writing after the company revealed its planned San Francisco air mobility network. Indeed, the aviation company plans to construct a network connecting five locations within the Bay Area.What does this mean for ACHR stock?Well, if today’s jump is any indication, it’s seems like a very strong new development for Archer — and for residents of San Francisco. Per Archer’s announcement, the air mobility network will allow intracity t ...