The only ones that show trading activity on Yahoo Finance are:
GBRC (drop 99% today on 1000 volume)
GSLO (drop 45.74% on 3,007,846 shares)
LLEG (drop 80.77% on 35,327,719 shares)
USOG (drop 92.31% on 17,422,959 shares)
MTEK (up 12.68% on 50,700 shares)