We are Japanese company, so if you can, please include asian style in somewhere.
As you can see our name is "UPDOWN".
So some of desiners have already created updown mark that ends downcurve one.
However downcurved mark may impress negative or depressing image for users.
So please create "up and down and UP again" style mark !
FYI
We like this kind of logo.
http://rikutomo.jp/images/company_logo/0_logo_7629.jpgSincerely