Upset stomach

I guess for lunch yesterday i ate something that didn't agree with my stomach. I've had diarrhea last night and some this morning. I'm 26 weeks and I haven't felt her move as much since before my stomach started hurting. I'm sure I'm over thinking it. I've felt a few light kicks. But not a ton of movement.  You think I'm overthinking ? Or could something be wrong? We are in Vegas and won't be home until this evening.. Is there something I should do about it today? Or wait and see how things Go until tomorrow?