If you’re following Schneider National’s stock, you might be wondering whether now’s the time to jump in, ride it out, or look elsewhere. The last year hasn’t exactly delivered smooth sailing for shareholders, as shares have dropped 17.0% over 12 months, and are down a hefty 22.8% so far this year. Most recently, the stock notched a 4.1% gain in the last week, which is giving some investors hope that things may be starting to turn around. What’s behind these swings? Like much of the logistics…