H1B Visa stamping expiring on 28 Sep 2015, Can I go to my home country and come back on 21 Sep 2015?

[vivekvv]

Hi

Can anyone please help me in sorting the current situation,

My H1B Visa stamping is expiring on 28 Sep 2015, Can I go to my home country and come back on 21 Sep 2015?

I've also changed my employer for H1B which is valid until Aug 2017(I-797), My visa stamping is valid on my previous employer name.

Thank You

Vivek