How to punish Halliburton (HAL +3.7%) for destroying evidence? Add ~$1.4B to its market cap, as...

How to punish Halliburton (HAL +3.7%) for destroying evidence? Add ~$1.4B to its market cap, as shares surge at the open despite agreeing to plead guilty to destroying evidence in the wake of the Deepwater Horizon disaster. Investors may be focusing on HAL's launching of a $3.3B Dutch auction, through which the company plans to repurchase ~8% of its stock at a price likely above Thursday’s close.