InfoSAGE sells division, focuses on data warehousing.

Information technology services unit bought by SPEC Group

FOREST HILLS - Dean Arnold isn't a gambling man, per se.

But he's rolling the dice on a risky business strategy that could make or break InfoSAGE Inc., the software development firm he heads.

At a time when many software companies are entering the lucrative information technology services business - a booming market worth $80 million to $150 million a year by some analysts' estimates, Mr. Arnold has pulled InfoSAGE out of that market.

Earlier this month, InfoSAGE sold its Information Technology Resources division for an undisclosed sum to SPEC Group Holdings Inc., a technical services …