Notable Analyst Rating Changes 11/06: (UBS) (CMG) (AIV) Upgraded; (ESRX) (BMRN) (TWTC) Downgraded

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Price: $17.72 -1.94%

Overall Analyst Rating:
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UPGRADES
Barclays upgrades UBS AG (NYSE: UBS) from Underweight to Overweight with a CHF 18 price target.

BofA/Merrill Lynch raises Chipotle Mexican Grill (NYSE: CMG) from Neutral to Buy.

Wells Fargo lifts Apartment Investment Management (NYSE: AIV) from Underperform to Market Perform, adjusting its price target from $23 up to $26.50. Click Here for more color.

Stifel Nicolaus boosts Penn Virginia (NYSE: PVA) from Hold to Buy with a price target of $6.50.

For daily real-time Upgrades go to http://www.streetinsider.com/Upgrades

DOWNGRADES
Jefferies cuts Express Scripts (Nasdaq: ESRX) from Buy to Hold, moving its price target from $70 down to $56. Click Here for more color.

Brean Capital downgrades BioMarin Pharmaceutical Inc. (Nasdaq: BMRN) from Buy to Hold. Click Here for more color.

FBR Capital reduces tw telecom (Nasdaq: TWTC) from Market Perform to Underperform, reducing its target by $2 to $20.

ServiceSource International (NASDAQ: SREV) lowered by three firms today:

Deutsche Bank from Buy to Hold, more than halving its target from $15 down to $7. Click Here for more color;
Morgan Stanley from Overweight to Equalweight; and
CLSA from Buy to Outperform, slicing its target from $19 down to $8.

For daily real-time Downgrades go to http://www.streetinsider.com/downgrades

NEW COVERAGE
BofA/Merrill Lynch assumes LifeLock (NYSE: LOCK) at Buy and $12 price target.

Diamondback Energy (Nasdaq: FANG) initiated by a handful of fims:

Wells Fargo with an Outperform rating and $26 to $30 valuation range. Click Here for more color;
Sterne Agee at Buy and $22 target;
SunTrust Robinson Humphrey with a Buy and $25 price target;
Wunderlich Securities at Hold and $18 target;
Credit Suisse with an Outperform.

FBR Capital initiates Palo Alto Networks (NYSE: PANW) with a Market Perform and $58 price target.

Workday (NYSE: WDAY) started by a gaggle of firms Tuesday:

Cowen with a Outperform;
JPMorgan with a Neutral and $54 price target;
Goldman Sachs at Neutral and price target of $43. Click Here for more color; and
Wells Fargo at Outperform rating and $60-$62 valuation range. Click Here for more color.

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