NEW YORK (TheStreet) -- RATINGS CHANGES

Cisco(CSCO) - Get Report was downgraded to equal-weight by Morgan Stanley, which set a $30 price target. Morgan Stanley cited valuation, saying Cisco has limited operating leverage.

Fresh Market (TFM) was downgraded to market perform outperform by BMO Capital, which set a $28 price target, saying that lower pricing could drive negative comp sales.

Harsco(HSC) - Get Report was upgraded to overweight from sector weight by Keybanc, which set a $18.50 price target. While known challenges around steel and oil and gas fundamentals remain at large, there is significant valuation support from SOTP analysis and an intriguing entry point given the operational improvement runway in Project Orion, NT catalyst in Harsco's ability to refinance its debt and committed management action toward optimizing the portfolio, Keybanc said.

KLX(KLXI) - Get Report was upgraded to buy by DA Davidson, which set a $48 price target, saying the stock is oversold, based on perceived energy exposure.

Mistras Group(MG) - Get Report was upgraded to overweight from sector weight by Keybanc, which set a $19 price target, pointting to stabilizing earnings before interest, taxes, depreciation and amoritization in fiscal 2016.

Micron(MU) - Get Report was downgraded to neutral from outperform by Wedbush, which set a $19 price target, saying that the DRAM market likely won't improve for another year.

Micron(MU) - Get Report was upgraded to market perform from underperform by Wells Fargo, which cited valuation, saying the stock is already discounting lower estimates.

Oasis Petroleum(OAS) - Get Report was upgraded to outperform from market perform by BMO Capital, which set a $16 price target, saying that the company can execute well, even in a lower pricing environment.

ON Semiconductor(ON) - Get Report was downgraded to hold by TheStreet Ratings. You can view the full analysis from the report here: ON Ratings Report.

PolyOne(POL) - Get Report was upgraded to buy by Goldman Sachs, which set a $41 price target, citing valuation, as earnings expectations have likely bottomed out.

Primerica(PRI) - Get Report was upgraded to buy from hold by Jefferies, which set a $50 price target, saying the stock is oversold, based on a new fiduciary standard.

Silicon Motion Technology(SIMO) - Get Report was upgraded to overweight from sector weight by Keybanc, which set a $32 price target, citing growth opportunities and valuation.

Vulcan Materials(VMC) - Get Report was upgraded to neutral by DA Davidson, which set a $106 price target, saying the company has solid fundamentals and is attractively valued.

Xerox(XRX) - Get Report was upgraded to buy by TheStreet Ratings. You can view the full analysis from the report here: XRX Ratings Report.