IC Punch Media, Inc. Common S (PNCH)

S - Shares of beneficial interest

Investopedia explains 'S'

Nasdaq-listed securities have four or five characters. If a fifth letter appears, it identifies the issue as other than a single issue of common stock or capital stock.

Read more: http://www.investopedia.com/terms/s/s.asp#ixzz2ENI3gsuE