The home improvement chain had bad news for investors recently, but is the negative sales outlook already baked into the price?At least six Wall Street analysts lowered their price targets on The Home Depot (HD 0.35%) stock after the company's second-quarter earnings release on Aug. 13. However, a UBS analyst decided to take a different view and upgraded his price target to $425 from$400 while maintaining a buy rating on the stock.An analyst gets more optimisticIt's unusual to see an analyst upgrade a pric ...