$奥瑞许科技 (OSUR.US)$ In at 12.65. They had a good earnings report and people quite literally "sold the news". for you newbie traders huge price drops aren't always a bad thing when it's a good earnings report. Think of it as a cycle - Investors come in and some of them are investors who are adding the stock to their 401k, day traders, and swing traders. The day traders and swing traders will ride the wave up to as far as they think it's going to go or like this stock they will hold on to it until earnings and then when the earnings report comes out they wait for a little pop in the price and then they bail. certain stocks have more day traders and swing traders than others. I have a few of my favorites that I ride up every few weeks and then I bounce. This was nothing more than swing traders and long-term investors selling and even day traders jumping in and out of it a few times today. now comes the second part of the cycle where the new investors step in and we will hopefully ride it up, sell, and then give it to the new groups coming in. ...