These shares are way up, and possibly over bought, but the chart has looked like this several times on the way up. After the weak sisters get scared out, it usually puts on another rally. It could be a buy here at the 50 day average.
Lots of us buy the SIM real low, so to sell at these level just to protect our profit. It is a smart move, after all, steel fundemanteal is getting weak, the other thing keeps these thing at these level is the M&A activities. Again, without profit, how can someone to pay such hefty price, plus, in the past, steel could also be very brutal.