Home Depot Inc HD shares remained volatile after the company on Tuesday reported its first-quarter results.The announcement came amid an exciting earnings season. Here are some key analyst takeaways.Stifel On Home DepotAnalyst Andrew Carter upgraded the rating from Hold to Buy, while raising the price target from $405 to $425.Home Depot reported "a modest headline miss," with comparable sales down 0.3% and adjusted earnings of $3.56 per share coming short of consensus of $3.59 per share, Carter said in the ...