Sun Microsystems

(SUNW) - Get Report

was up 1% in preopen

Island

trading after

Credit Suisse First Boston

lowered its fiscal fourth-quarter earnings estimate to 9 cents per share from 11 cents and reduced its 2002 forecast to 54 cents from 66 cents. CSFB said a weaker economy and a glut of technology equipment overshadow the server maker's strengths.