The 52-Week Low Club (CCC)(MTL)(ARM)(TSN)(SVNT)

Calgon Carbon (CCC) Outstanding notes convert to common shares. Drives stock to $10.54 from 52-week high of $23.03.

Mechel (MTL) Russian coal miner may issue up to 138.8 million preferred shares. Dives to $3.77 from 52-week high of $58.66.

Arvinmeritor (ARM) JPMorgan cuts rating for auto suppliers. Falls to $4.54 from 52-week high of $18.11.

Tyson Foods (TSN) Stephens research analyst lowers earnings forecast. Drops to $8.14 from 52-week high of $19.50.

Savient Pharmaceuticals (SVNT) Plummets on safety concerns about one if its treatments and analyst downgrade. Sells off to $2.80 from 52-week high of $28.42.

Douglas A. McIntyre