SNE on a run while techs are down?

SNE seems to be on a run this morning, gaining .25 as of 10:22am. Any idea what's propping it up?

I use ThinkorSwim, how would I analyze the various forces affecting SNE?

What does market depth tell me when I see Ask Size being larger than bid size, for example?

Thanks, Joel

P.S. I'm long 3 Jan 07 40 puts
 
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