NEW YORK (TheStreet) -- RATINGS CHANGES

Acadia Pharmaceuticals (ACAD - Get Report) was downgraded to neutral from overweight by Piper Jaffray, which set a $48 price target, saying the company will likely need more financing and lacks near-term catalysts.

Alnylam Pharmaceuticals (ALNY) was downgraded to neutral from overweight by JP Morgan, which set a $115 price target. The downgraded is based on valuation, not a fundamental call, as JP Morgan said its model maxed out in absence of pivotal data.

Barnes (B - Get Report) was upgraded to outperform from perform by Oppenheimer, which cited valuation, based on a $46 price target.

Box (BOX - Get Report) was upgraded to outperform from perform by Oppenheimer, which cited valuation, based on a $21 price target.

Chemours (CC - Get Report) was upgraded to neutral from underweight by JP Morgan, which set an $11 price target, saying the shares have fallen sharply since late June, but S&P 500 Index has fallen by 2% lower. Chemours is reducing costs in an environment of falling product prices, JP Morgan said.

Cornerstone OnDemand (CSOD) was upgraded to outperform from neutral by Credit Suisse, which set a $48 price target, saying that management is improving execution.

Fairchild Semiconductor (FCS) was downgraded to hold from buy by Drexel Hamilton, which set a $15 price target, saying that distributor channels continue to work down inventory.

Iconix (ICON - Get Report) was downgraded to neutral from buy by Nomura, which set a $33 price target, saying the departure of the CEO adds risk to the model.

Inovalon (INOV - Get Report) was upgraded to outperform from market perform by Wells Fargo, which cited valuation, after the stock fell 23% after earnings.

Intel (INTC - Get Report) was downgraded to hold from buy by Drexel Hamilton, which set a $30 price target, saying that visibility is declining in the PC and server markets.

Marathon Oil (MRO - Get Report) was downgraded to sell by TheStreet Ratings. You can view the full analysis from the report here: MRO Ratings Report

Micron (MU - Get Report) was downgraded to hold from buy by Drexel Hamilton, which set a $19 price target, saying that memory prices are being hurt by excess inventory.

Ophthotech (OPHT) was downgraded to sell from neutral by Goldman Sachs, which cited valuation, based on a $45 price target.

Shutterstock (SSTK - Get Report) was downgraded to hold by Jefferies, which set a $39 price target, saying that estimates have also been cut, given management's new guidance for lower eCommerce customer growth.

Springleaf (LEAF - Get Report) was upgraded to buy from neutral by Sterne Agee CRT, which set a $58 price target, saying that either the OneMain acquisition clears or the company will buy back more stock.

Tanger Factory Outlet Centers (SKT - Get Report) was upgraded to sector weight from underweight by Keybanc, which set a $31 price target, saying that sentiment will improve, along with growth.

Texas Instruments (TXN - Get Report) was downgraded to hold from buy by Drexel Hamilton, which said the company is leveraged to an industry inventory correction.

TCP International (TCPI) was downgraded to hold from buy by Deutsche Bank, which set a $5 price target. While LED adoption rates are accelerating, increased pricing pressure could present some headwinds in driving incremental revenue growth from this segment, Deutsche Bank said.

Tangoe (TNGO) was downgraded to buy from hold by Deutsche Bank, which set a $10 price target, saying that it is cautious on Tangoe's near-term financial goals.

3D Systems (DDD - Get Report) was upgraded to neutral from underweight by Piper Jaffray, which cited valuation, based on a $14 price target.

21st Century Fox (FOXA) was downgraded to hold by TheStreet Ratings. You can view the full analysis from the report here: FOXA Ratings Report

Viacom (VIAB - Get Report) was upgraded to overweight by Barclays, which cited valuation, based on a $56 price target.

Viacom (VIAB - Get Report) was downgraded to market perform from outperform by Wells Fargo, which said that estimates have also been cut, as underlying trends are facing increased pressure.

Xilinx (XLNX - Get Report) was downgraded to hold from buy by Drexel Hamilton, which set a $45 price target, saying that it is hearing reports that ZTE and Huawei are cutting back on orders.