Catch up on today's top five analyst downgrades with this list compiled by The Fly: 1. Freeport McMoRan (FCX) downgraded to Sell from Hold at Berenberg. 2. Arrowhead (ARWR) was downgraded to Neutral from Overweight at Piper Jaffray, to Neutral from Buy at Chardan, to Hold from Buy at Cantor, and to Market Perform from Outperform at William Blair. 3. W.R. Grace (GRA) downgraded to Hold from Buy at Jefferies with analyst Laurence Alexander noting the potential for a sharp drop in free cash flow conversion once its net operating loss carry-forwards are exploited. 4. Abaxis (ABAX) downgraded to Neutral from Buy at Northcoast. 5. Duluth Holdings (DLTH) downgraded to Neutral from Outperform at Baird with analyst Jonathan Komp citing the stock's recent rally and the possibility its valuation metrics have pushed beyond the levels he believes it can sustain. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.

JPMorgan raised the firm's price target on Freeport-McMoRan to $52 from $43 and keeps a Neutral rating on the shares as part of a Q1 earnings preview for the North America copper group. Copper's recent bullish shift has unfolded quicker than expected while coinciding with earlier than anticipated momentum building in global manufacturing PMIs, suggesting pricing may have outpaced fundamentals at this point, the analyst tells investors in a research note.