Updated from 8:54 to include more ratings and earnings changes.

NEW YORK (TheStreet) -- RATINGS CHANGES

Allstate downgraded at William Blair:   (ALL - Get Report) was downgraded to Underperform, William Blair said. Company will likely fall short of earnings expectations in the coming quarters.

AthenaHealth downgraded at Jefferies: (ATHN) was downgraded to Underperform, Jefferies said. New analyst has concerns about pricing and margins. $105 price target.

Infoblox upgraded at Sterne Agee: (BLOX) was upgraded to Buy, Sterne Agee CRT said. Valuation call, based on a $26 price target.

Box upgraded at JP Morgan: (BOX - Get Report) was upgraded from Neutral to Overweight, JP Morgan said. $18 price target. Competitive landscape is improving.

Blackstone upgraded at Oppenheimer: (BX - Get Report) was upgraded to Outperform, Oppenheimer said. $38 price target. Company's cash earnings outlook is strong.

Cogent upgraded at Drexel: (CCOI - Get Report) was upgraded from Hold to Buy, Drexel Hamilton said. $36 price target. Company has multiple potential catalysts to accelerate sales growth.

Quest Diagnostics upgraded at Wells: (DGX - Get Report) was upgraded from Underperform to Market Perform, Wells Fargo said. Valuation call.

Discovery downgraded at Barclays: (DISCA - Get Report) was downgraded to Equal-weight, Barclays said. $30 price target. Will likely take longer for the company to realize operating leverage.

Edison downgraded at Jefferies: (EIX - Get Report) was downgraded from Buy to Hold, Jefferies said. Valuation call, based on a $66 price target. 

Fireeye rated new Buy at DA Davidson: (FEYE - Get Report) was initiated with a Buy rating, DA Davidson said. $51 price target. Company has multiple, potential near-term catalysts. 

Lululemon upgraded at Credit Suisse: ( LULU - Get Report) was upgraded from Neutral to Outperform, Credit Suisse said. $64 price target. Demand and back on track and margins are likely to recover.
 
Pentair downgraded at Stifel: ( PNR - Get Report) was downgraded from Buy to Hold, Stifel said. Company lacks near-term catalysts. 
 
Spirit Airlines downgraded at Morgan Stanley: ( SAVE - Get Report) was downgraded to Equal-weight from Overweight, Morgan Stanley said. $53 price target. Company may continue to struggle with the industry pricing environment. 

Seagate downgraded at PacCrest: (STX - Get Report) was downgraded to Sector Weight, Pacific Crest said. Company is losing market share. 

AT&T rated new Buy at Nomura: Rating on (T - Get Report) was initiated with a Buy rating, Nomura said. $39 price target. Company can grow cash flow through DirecTV synergies. 

Trueblue downgraded at Deutsche: (TBI - Get Report) was downgraded from Buy to Hold, Deutsche Bank said. $26 price target. Company is leveraged to slowing macro data. 

2U upgraded at Goldman: (TWOU - Get Report) was upgraded from Neutral to Buy, Goldman Sachs said. $36 price target. Company has great secular growth potential and the stock has sold off. 

Verizon rated new Neutral at Nomura: Coverage of (VZ - Get Report) was started with a Neutral rating, Nomura said. $47 price target. Company lacks near-term growth visibility. 

Stock Comments / EPS Changes

Goldman Sachs numbers reduced at BMO: (GS - Get Report) estimates were cut through 2017, BMO Capital said. Company is seeing lower trading profits. Market Perform rating and new $195 price target. 

Wal-Mart estimates, target cut at BMO: Shares of (WMT - Get Report) now seen reaching $55, according to BMO Capital. Estimates also reduced, as the company is investing more. Underperform rating. 

Wynn estimates, target cut at Credit Suisse: Shares of (WYNN - Get Report) now seen reaching $76, according to Credit Suisse. Estimates also reduced, as Macau remains challenging. Neutral rating.