ind fall ' ▁Prof it ?" ▁The ▁Wall ▁Street ▁Journal ▁wrote , ▁" What ▁is ▁a ▁' wind fall ' ▁profit ▁anyway ? ▁... ▁Take ▁Ex x on ▁M obil , ▁which ▁on ▁Th urs day ▁reported ▁the ▁highest ▁quarter ly ▁profit ▁ever ▁and ▁is ▁the ▁main ▁target ▁of ▁any ▁' wind fall ' ▁tax ▁sur charge . ▁Yet ▁if ▁its ▁prof its ▁are ▁at ▁record ▁high s , ▁its ▁tax ▁b ills ▁are ▁already ▁at ▁record ▁high s ▁too ... ▁Ex x on ' s ▁profit ▁margin ▁stood ▁at ▁ 1 0 % ▁for ▁ 2 0 0 7 ... ▁If ▁that ' s ▁what ▁constit utes ▁wind fall ▁prof its , ▁most ▁of ▁corpor ate ▁America ▁would ▁qual ify ... ▁ 5 1 ▁Sen ators ▁voted ▁to ▁imp ose ▁a ▁ 2 5 % ▁wind fall ▁tax ▁on ▁a ▁U . S .- based ▁oil ▁company ▁whose ▁prof its ▁grew ▁by ▁more ▁than ▁ 1 0 % ▁in ▁a ▁single ▁year ... ▁This ▁suggests ▁that ▁a ▁wind fall ▁is ▁defined ▁by ▁prof its ▁growing ▁too ▁fast .... ▁But ▁if ▁ 1 0 % ▁is ▁the ▁new ▁standard , ▁the ▁te ch ▁industry ▁is ▁going ▁to ▁have ▁to ▁re th ink ▁its ▁growth ▁arc ... ▁General ▁Electric ▁prof its ▁by ▁invest ing ▁in ▁the ▁alternative ▁energy ▁technology ▁that ▁President ▁Ob ama ▁says ▁Congress ▁should ▁subs id ize ▁even ▁more ▁heavily ▁than ▁it ▁already ▁does . ▁G E ' s ▁profit ▁margin ▁in ▁ 2 0 0 7 ▁was ▁ 1 0 .