GERBER <GRB> BUYS GERBER SYSTEMS <GSTI> SHARES Gerber Scientific Inc said its GST Acquisition Corp purchased 444,646 shares of its 84 pct owned Gerber Systems Technology pursuant to a January 15 tender offer. Following the purchase, Gerber made a capital contribution to GST of all the shares it owned resulting in 95.6 pct ownership by GST.