If you check back just a few days after you made your post on buying NOV around Oct 14th , almost the entire oil services group BHI, HAL, SLB, GRP, BJS, WFT & your NOV ...(& offshore drillers DO, GSF, NE, RIG)
had bottomed and , and from there all started to climb back up to the current highs made yesterday . And I mean they all popped yesterday ! (Along with the all the homey's)