6 Losers (KNDI) (DHRM) (BTUI) (SONS) (WWWW) (SWSH) on May 4

The major losers on May 4 were led Kandi Technolgies (NASDAQ:KNDI), which closed the trading session at $2.08, plunging $0.65, or 23.81 percent. Volume jumped about four times the 3-month daily average.

Next was Dehaier Medical Systems Limited (NASDAQ:DHRM), which ended the day at $4.26, plummeting $1.039, or 19.62 percent. Volume was over 10 times the 3-month daily average on the day.

Third worst loser on May 4 was BTU International, Inc. (NASDAQ:BTUI), closing at $10.02, dropping $2.42, or 19.45 percent. Volume for BTUI was also over 10 times the 3-month average.

Following BTUI was Sonus Networks, Inc. (NASDAQ:SONS), which dropped to $2.99, falling $0.68, or 18.53 percent. Volume for them was just under 3 times the 3-month daily average.

Web.com also got hammered (NASDAQ:WWWW), closing at $12.42, down $2.58, or 17.20 percent. Volume was close to 5 times the daily 3-month average.

Swisher Hygiene, Inc. (NASDAQ:SWSH) was the sixth-worst performer, ending the day at $6.64, declining $1.35, or 16.90 percent. Volume for Swisher was also about 5 times the daily 3-month average.