Benzinga's Volume Movers

CVD Equipment Corporation (NASDAQ: CVV) shares moved up 5.21% to $17.36 at 10:30 am. The volume of CVV shares traded was 197% higher than normal. CVV's trailing-twelve-month operating margin is 12.91%.

Stamps.com Inc (NASDAQ: STMP) shares rose 8.75% to $18.14. The volume of STMP shares traded was 109% higher than normal. STMP's trailing-twelve-month ROE is 18.21%.

Arch Capital Group Ltd (NASDAQ: ACGL) shares climbed 3.49% to $33.80. The volume of ACGL shares traded was 69% higher than normal. ACGL's trailing-twelve-month revenue is $3.17 billion.

Universal Display Corporation (NASDAQ: PANL) shares gained 4.43% to $54.00. The volume of PANL shares traded was 62% higher than normal. PANL shares have jumped 160.24% over the past 52 weeks, while the S&P 500 index has gained 10.54% in the same period.