Only if rc4 works, i hope that. but rc2 fail ad rc3 fail two times. RC4 please make me happy

RC3 was reverted once not twice -- it is now working with 99% pool compliance. RC4 is also a "spork" -- i.e. even if enforcement causes problems it can be turned off seamlessly. I really don't think there is much to worry about in terms of RC4 "not working".
seriously what's happening to DRK ? the price keeps falling day by day and seems like it's getting harder to go back up
We aren't doing marketing yet. When RC4 hits and we have a more or less functional product, we'll be able to start doing marketing. At that point, you should see a price increase.