Google launch two updates, Firstly EMD and after that Panda
that both are a big surprise to all of us.
And now a days we have kept attention on the Quality Link building . We have to done totally White hat SEO, and for those who got a slapped by one or both of these updates, no need to worry you will get your rank back and for that you have to continue our work don't be hesitated and loose your confidence just continue with your work..
I hope you get your rank back within a few days.
Thanks and Regards,