we will ask yao. okay. here is why these strategies work. bought the best buy. you would have lost $75. dan lost $25. it lost $35 if you held it to expiration. that's the big if here. you have to remember that you do not have to hold these trades, any of these trades to the ex-pir zblags one of the things we talk about when making a play to the catalyst, this applies when you are trading short options, when the catalyst comes and goes you see what the price will be, don't be afraid to act. you had an opportunity at some point this week to sell the one by two come neent dan got for a 25, 35 cents. that would have gotten mike out for a small profit. long 32.5 put. that's definitely one of the things want do. if you are going try to make a directional bet on a catalyst try to risk very little and give yourself the potential for a lot of upside and that's the only way to do it. >> the other thing is have a clue what's going on. i mean, you know, stock was not really going that much lower when you put a low dollar value trade on it that would give you the opportunity

. >>> tonight, baltimore county police are asking for yao help in track -- your help in tracking down two armed robbery suspects. take a look at surveillance pictures of one of the suspects. police say he and a second man robbed the store in the 1300 block of wind last driver in essex back in august. if you have any information, you are asked to call county police. the number is 1-866-7-lockup. >>> a new homeland security grant will allow the washington, d.c. metro to install cameras throughout its system. it will use a $28 million federal grant to put cameras on buses in stations and inside trains. the primary purpose will be crowd control. but the surveillance video can also be reviewed if ever needed. >>> time now for a quick look at some of the stories you'll find tomorrow's edition of the baltimore sun. making a case for why the first- time home buyers credit should not be extended. >>> why towson has become such a sushi stronghold. and should dave trembley come back? remember to look for the updated forecast from wjz's first warning weather team. >>> in tonight's consumer watch