Princeton Security Technology Inc. (OTCBB: PSGY) was among the truly sparkling micro-caps Thursday, adding 66.7% in price to 20 cents. Volume was 106,000 shares, compared to a daily average of 15,831, a day after receiving new orders for its radiation detection technology.

Greenshift Corp. (OTCBB: GERS) traded in 43.4 million shares, making it a volume leader among small caps, though well below its usual average around 144.7 million. Share prices were flat at two-100ths of a cent.

Bark Group Inc. (OTCBB: BKPG) dipped 36.5% in price Thursday to 1.2 cents. Share volume was 289,600, in contrast to a daily average up around 831,000. BKPG is an innovative integrated U.S. advertising network of marketing companies with a multinational client base.