Following the announcement of its $3bn acquisition of Tandem Computers Inc, Compaq Computer Corp is splitting its stock five- for-two, effective on July 14th. Chairman Ben Rosen said it reflected confidence in Compaq’s long-term growth. Compaq has 276 million shares outstanding; it’ll have 690m post split and the number will be adjusted take account of the Tandem buy. Compaq shares closed the day Tuesday up $2.37 at $101.87.