$梅西百货(M)$ Shares of Macy's (NYSE:M) break lower after Goldmans Sachs drops the department store stock to a Sell rating after having it slotted at Neutral.The firm doesn't see significant upside value creation from more real estate plays.Goldman's price target of $12 on Macy's reps more than 20% downside potential and is below the average sell-side PT of $16.19.