Airgas' (ARG -5%) Q4 sales and profit warning is dragging a few peers down with it this morning:...

|By:, SA News Editor

Airgas' (ARG -5%) Q4 sales and profit warning is dragging a few peers down with it this morning: Air Products (APD -2%), Praxair (PX -1.4%), Sinopec Shanghai Petrochemical (SHI -1.4%), L'Air Liquide (AIQUY.PK -3.3%.