Concord Communications Sliced in Half on Warning - TheStreet

E-commerce software provider

Concord Communications

(CCRD)

plunged 53.2% in preopen

Island

trading after it warned that third-quarter earnings would be only 4 cents to 6 cents a share, well below the

First Call/Thomson Financial

estimate of 17 cents.

The company cited a downturn in spending by telecommunications carriers.