update new technology for better career growth (Dot Net)

Question

Hi....

 

this is Aman Sharma having 6 year of exp in dot net development using c# and vb.

but now i need to update some new technology for better career growth 

please suggest among below technology , which is better and long go

as per future aspect

1. sharepoint
2.  MVC
3. WCF/WPF

regards

aman

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