Altria shares fell $ 1.23 , or 2.8 percent , to $ 42.44 and were the Dow 's biggest percent loser .
Altria shares fell $ 1.23 , or 2.8 percent , to $ 42.44 and were the Dow 's biggest percent loser .
Its shares fell $ 9.61 to $ 50.26 , ranking as the NYSE 's most-active issue and its biggest percentage loser .