Manugistics (MANU) - Get Report was down 11.2% in midday trading after falling 30.2% in heavy volume Friday. Deutsche Banc Alex. Brown and Merrill Lynch both cut ratings on the stock Friday and lowered their earnings forecasts, citing uncertainty over the effect of the current economic climate.

The software company Thursday posted first-quarter earnings in line with Street estimates, but also indicated that second-quarter would show only a modest sequential increase in revenue.

Other business software stocks were also suffering today, with

Siebel

(SEBL)

down 4.7%,

BEA Systems

(BEAS)

down 5.4% and

Veritas

(VRTS) - Get Report

down 5.9%.