BioLase Technology Inc. (Nasdaq: BLTI) vaulted 80.2 percent in price Thursday to $3.01. Volume of 1,723,791 shares overwhelmed its full-day average of 46,341. Biolase said today it expects to post a profit after four quarters of loss, sending the dental laser company’s shares up 68 percent to a year-high.
Citigroup Inc. (NYSE: C) dealt in 228,816,253 shares, inching toward its full-day average of 551,205,000. Share prices edged higher 0.1 percent to $4.76.
MannKind Corp. (Nasdaq: MNKD) shares tumbled 42.4% to $5.27. Volume was 12,079,531, or four times its full-day average, after the biotechnology company failed to obtain regulatory approval to market its insulin inhaler.