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Corporate Summary

•    Laser-vision surgery chain LCA-Vision Inc.’s (NASDAQ:LCAV) share prices rocketed up 35.39% to close at $4.17 after the company reported a 30% increase in its same store procedures during its fourth quarter

•    Network infrastructure provider Acme Packet Inc. (NASDAQ:APKT) shares declined 19.21% after the company lowered its 2011 forecast for adjusted earnings and sales

•    Share prices of Eastman Kodak Co.’s (NYSE:EK) plummeted 28.19% to close at $0.47 after the company said its stock could be delisted from the NYSE if it doesn’t move above $1 in the coming six months

•    Global enterprise software company Progress Software Corp.’s (NASDAQ:PRGS) shares fell 10.66% after the company said its first-quarter earnings will come in below Street’s estimates

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