Mid-Day Market Movers (ACPW, SIFI, ACAT, CKEC)

Active Power Inc (NASDAQ: ACPW) climbed 13.33% to $1.36. ACPW's PEG ratio is -0.59.

SI Financial Group Inc (NASDAQ: SIFI) shares advanced 12.20% to $6.90. SIFI's quarterly earnings surged 214.89% y/y.

Arctic Cat Inc (NASDAQ: ACAT) shares surged 11.62% to $9.99. ACAT's earnings are likely to advance by 119.48% this year.

Carmike Cinemas Inc (NASDAQ: CKEC) jumped 11.42% to $8.00 at 10:07 am. CKEC has extended its long-term agreement with Screenvision for a 30-year term.

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