Unease permeates the stock market. From regulatory rulings to blocked mergers, the attitude from -- and about -- Washington is very different this year.
After seeing the companies' fourth-quarter results, it's clear that Dollar General is a better investment than Dollar Tree, says Jim Cramer.
Dollar General posted fourth quarter sales of $6.13 billion and boosted it share buyback program by $1 billion as shoppers look to discount retailers amid declining retail sales.
In the end, like so many category killers, it got killed by smarter, better operators.