E-business company

Ventro

(VNTR) - Get Report

plummeted 27.4% in midafternoon after three downgrades.

Chase H&Q

cut it to market perform from buy,

Robertson Stephens

lowered it to long-term attractive from market performer and

Raymond James

downgraded it to market perform from strong buy. A day earlier the company had reported a loss and said it might sell two of its online marketplaces. Ventro touched a low of $3.63 this morning; in February it peaked at $243.50.