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Industrial Goods > Industrial Equipment Components > Pro Tech Industries Inc (PTCK):

1. Daily short sale volume for Pro Tech Industries Inc (PTCK)
2. Bi-monthly short interest from NASDAQ

1. Insider Transactions for Pro Tech Industries Inc (Pro Tech Industries Inc) by Yahoo
2. NASDAQ insider trades for Pro Tech Industries Inc (Pro Tech Industries Inc)

1. Major Holders of Pro Tech Industries Inc listed by Yahoo
2. Pro Tech Industries Inc (PTCK)owership summary,institutional holdings

1. More from Yahoo finance
   
2. Open @ Reuters
   
3. Open with Google Finance
   
4. Open with Market Watch
   
5. Open with Sina finance (in chinese)