请牛人帮看看ARM, 谢谢先

tiauh

新人发贴,请勿见笑.

Two weeks ago, one of my industry friends told me to buy ARM. I thought it was a jok because ARB was $0.5 per share and  under a free fall mode.  I still don't know why I bought some shares of ARM few days ago when it was at $0.36. Anyway, today it reached $1.01 from $0.54 and closed at $0.85.  My questions are:

1. What is the reason casued today's big jump? I could not find any news.
2. The $1 seems a boundary... should I sell when it reaches $1 next time and rebuy at low?
3. Do you think it will reach $4 or $5 in the near term? like 2 months?
4. Do you think this company might fall? it heavlly relies on the auto industry.

Thanks.