Despite this buy bias on Wall Street, history also tells us that not all stocks climb in value, nor do they rise in a straight line when increasing in value over time. Although sell ratings are exceedingly rare, there's one high- flying stock, which has returned 2,130% since the end of 2022, that could be a sell rating magnet for Wall Street analysts in the coming months: Palantir Technologies (PLTR -0.33%). Palantir Technologies blows away Wall Street's loftiest expectations Based on analyst ratings aggreg ...