The historical high for AMPE was $9.19 on the 16th of September 2011. It has been 393 days since the historical high price.
The lowest price was $0.75 on the 1st of June 2010. It has been 865 days since that low price.
The largest volume day was the 19th of March 2012 when 3,359,900 shares were traded. It has been 208 days since that big volume day.
The lowest volume day was the 11th of August 2010 when only 0 shares changed hands. That was 794 days ago.
Previous symbol is AMPD
Next symbol is AMPFX