Major Shift in Inktomi Algo?

What happened

[Consumer Info]

I have had a 50% drop in traffic since last week.

I havent been dropped and since I have maintained ranking with some URLs I dont see how there could be a penalty applied to my domain.

Has anyone else seen a change in the Ink Algo?

Consumer_Info

[hurlimann]

No although may who use ink results applie their own filters so they may have changed or a SE you got results from via Ink listings has droped ink.