BEA Systems (BEAS) climbed 6.1% in late morning after Credit Suisse First Boston reiterated its strong buy rating but SG Cowen downgraded it and five other e-business software companies to buy from strong buy. It cited valuation and other issues in dropping Tibco (TIBX) , down 5.3%; Rational (RATL) , up 17.9%; Serena (SRNA) , down 1.7%; BroadVision(BVSN) - Get Report, up 0.8%; and Vignette (VIGN) , up 2.5%.