Rivkin on DJS, PWR, CPU and QBE, page-15

Now remember H/copperites shares don't go up every Now remember H/copperites shares don't go up everyday---sometimes they retreat and you have support and resistance levels---when ERG doesn't go up--it doesn't mean it is going bankrupt--its not high anxiety time---all it simply means is that shares can become over bought---on the short then they take a breather for awhile and then consolidate befoore pushing on---so there is no need to get all freaked out about it---it really is quite simple.
Cheers,--Steve.