To help fight the “Pump and Dump Stock” e-mail scams aimed at investors; Investors Edge has started a web page dedicated at listing stocks and e-mails that are the major offenders.

They are asking for these type e-mails be forwarded to them.

Read more about this at:
investorsedge.com/email_scam.html





Also, you can send the e-mails with full headers to the goverment.
Stock-related Spams:(Hot Tip, Buy Now, "pump and dump stocks")
enforcement AT sec.gov
spam AT uce.gov