The Nasdaq logo is displayed at the Nasdaq Market site in New York September 2, 2015.Brendan McDermid/Reuters
These are definitions for Nasdaq-listed securities:
D = Deficient: issue failed to meet Nasdaq's continued listing requirement
E = Delinquent: issuer missed regulatory filing deadline
Q = Bankrupt: issuer has filed for bankruptcy
G = Deficient and bankrupt
H = Deficient and delinquent
J = Delinquent and bankrupt
K = Deficient, delinquent and bankrupt