U.S. stock futures are higher this morning, after AT&T (T) announced its plans to buy T-Mobile USA for around $39 billion.

Futures for the Dow Jones Industrial Average surged 105 points to 11,904.00, while those for the S&P 500 stock index climbed 13.60 points to 1,287.80. Futures for the Nasdaq 100 index surged 24.25 points to 2,245.75.

Analyst Upgrades

• Siemens (SI) to buy from hold at Deutsche Bank.
• Diamond Offshore (DO) to market perform from underperform at FBR Capital.
• MeadWestvaco (MWV) to conviction buy from neutral at Goldman.
• TD AmeriTrade (AMTD) and Cabot Oil & Gas (COG) to buy from neutral at BofA/Merrill.
• Janus Capital (JNS) to hold from sell at Citigroup.
• Motorola Mobility (MMI) to buy from neutral at UBS.
• Frontier Communications (FTR) to neutral from underperform at Macquarie.
• Humana (HUM) to buy from hold at Argus.

Analyst Upgrades

• Cree (CREE) and Rubicon Technology (RBCN) to buy from neutral at Merriman.
• Children's Place (PLCE) to outperform from market perform at BMO Capital.
• Lockheed Martin (LMT) to neutral from underperform at BofA/Merrill.
• Copano Energy (CPNO) to outperform from market perform at Morgan Keegan.
• Motorola Mobility (MMI) to neutral from reduce at Nomura.
• Parker-Hannifin (PH) to buy from hold at KeyBanc.
• Akamai (AKAM), ShoreTel (SHOR), AMB Property (AMB) and ProLogis (PLD) to buy from hold at Stifel Nicolaus.

U.S. stock futures are higher this morning as investors are awaiting economic data. Futures for the Dow Jones Industrial Average gained 51 points to 11,629.00 and futures on the S&P 500 stock index climbed 8.30 points to 1,262.20. Nasdaq 100 futures rose 10.25 points to 2,218.75.

The weekly jobless claims are expected at 8:30 a.m. ET, as well as February's consumer price index. The Federal Reserve will issue industrial production figures for February, and the Philadelphia Federal Reserve Bank will report on regional economic activity.

Analyst Upgrades

• BB&T (BBT) and Aflac (AFL) to buy from hold at Deutsche Bank.
• Kodiak Oil & Gas (KOG) to outperform from neutral at RW Baird.
• Zhongpin (HOGS) to neutral from reduce at Global Hunter.
• Marathon Oil (MRO), Noble Energy (NBL) and Manulife Financial (MFC) to buy from neutral at UBS.
• Carrizo Oil & Gas (CRZO) to buy from hold at Canaccord.
• Comerica (CMA) to buy from neutral at Rochdale.

Analyst Upgrades

• Exxon Mobil (XOM), Netflix (NFLX), Noble Corp. (NE), Pioneer Natural (PXD) and Noble Energy (NBL) to buy from neutral at Goldman.
• Cenovus Energy (CVE) to conviction buy from neutral and Atwood Oceanics (ATW) to neutral from sell at Goldman as well.
• Southern Company (SO) to buy from hold at Citigroup.
• Chevron (CVX) to buy from neutral at BofA/Merrill.
• Ryder (R), Entergy (ETR) and Seaspan (SSW) to buy from hold at Jefferies.
• Gerdau (GGB), Crown Castle (CCI) and American Tower (AMT) to buy from neutral at UBS.
• Aon (AON) and Willis Group (WSH) to buy from neutral at Janney Capital.
• Ryland Group (RYL) to buy from neutral at Ticonderoga.

Analyst Upgrades

• Parker-Hannifin (PH) to buy from hold at Deutsche Bank.
• JDSU (JDSU) to buy from hold at Citigroup.
• Noble Corp. (NE) to overweight from neutral at JPMorgan.
• Cerner (CERN) to buy from hold at Auriga.
• Cintas (CTAS) to outperform from neutral at RW Baird.
• American States Water (AWR) to buy from hold at Brean Murray.
• National Semiconductor (NSM) and Texas Instruments (TXN) to positive from neutral at Susquehanna.
• Lululemon (LULU) to buy from hold at ThinkEquity.
• DuPont Fabros (DFT) to top pick from outperform at RBC Capital.

Analyst Upgrades

• Goodyear Tire (GT) to Overweight from Underweight at Morgan Stanley.
• Salix (SLXP) to Outperform from Market Perform at Wells Fargo.
• Euroseas (ESEA) to Outperform from Market Perform at FBR Capital.
• Norfolk Southern (NSC) and Hexcel (HXL) to Outperform from Sector Perform at RBC Capital.
• BB&T (BBT) and Triangle Capital (TCAP) to Buy from Neutral at Janney Capital.
• Mobile TeleSystems (MBT) to Outperform from Neutral at Credit Suisse.
• Affymax (AFFY) to Buy from Hold at Auriga.
• Vanguard Natural (VNR) and Tortoise Energy (TYY) to Outperform from Neutral at RW Baird.
• Protective Life (PL) to Neutral from Underperform at BofA/Merrill.

Analyst Upgrades

• Hyatt Hotels (H) and Hospitality Properties (HPT) to outperform from neutral at RW Baird.
• AB InBev (BUD) to buy from neutral at Goldman.
• Amerisafe (AMSF) to buy from hold at Wunderlich.
• Northrop Grumman (NOC) to sector perform from underperform at RBC Capital.
• China Lodging Group (HTHT) to buy from hold at Brean Murray and to buy from neutral at Roth Capital.

Analyst Upgrades

• Tyson Foods (TSN) to buy from hold at Deutsche Bank.
• Carmike Cinemas (CKEC) to buy from neutral at Merriman.
• Ambow Education (AMBO) to conviction buy from neutral at Goldman.
• Johnson Controls (JCI) to overweight from equal weight at Barclays.
• Dynex Capital (DX) to outperform from market perform at JMP Securities.
• Ensco (ESV) to outperform from neutral at Credit Suisse.
• York Water (YORW) to buy from hold at Brean Murray.
• Mid-America Apartment (MAA) to market perform from underperform at FBR Capital.
• Cheniere Energy Partners (CQP) to hold from sell at Citigroup.
• Forest Oil (FST) to positive from neutral at Susquehanna.
• Tractor Supply (TSCO) to outperform from neutral at RW Baird.

Analyst Upgrades

• Expedia (EXPE) to buy from hold at Citigroup.
• Weatherford (WFT) to outperform from market perform at Wells Fargo.
• Abercrombie & Fitch (ANF) to buy from neutral at BofA/Merrill.
• MDC Holdings (MDC) to outperform from neutral at Credit Suisse.
• AutoNavi (AMAP) to buy from neutral at Goldman.
• Ciena (CIEN) and Nvidia (NVDA) to neutral from underweight at JPMorgan.
• Canadian Pacific (CP) to outperform from market perform at Raymond James.
• First Midwest (FMBI) and Quiksilver (ZQK) to buy from hold at Jefferies.
• Sonic (SONC) to neutral from negative at Susquehanna.
• MIPS Technologies (MIPS) to buy from hold at Benchmark Co.
• Arrow Electronics (ARW) and Avnet (AVT) to buy from hold at Stifel Nicolaus.

U.S. stock futures are higher Tuesday morning as crude oil prices declined marginally from 29-month highs. Futures on the Dow Jones Industrial Average climbed 30 points to 12,108.00 and futures on the S&P 500 stock index gained 4.60 points to 1,313.70. Nasdaq 100 futures rose 4.25 points to 2,328.75.

European markets were mixed today. While STOXX Europe 600 Index has gained 0.20%, London's FTSE 100 Index moved down 0.15%.

Analyst Upgrades

• Brinker (EAT) to buy from neutral at UBS.
• Starbucks (SBUX) to overweight from equal weight at Morgan Stanley.
• Paccar (PCAR) to overweight from neutral at JPMorgan.
• CA Technologies (CA) to outperform from perform at Oppenheimer.
• PPL Corp. (PPL) to overweight from equal weight at Barclays.
• ConocoPhillips (COP) to hold from sell at Citigroup.
• First Defiance (FDEF) to outperform from market perform at Keefe Bruyette.
• MasTec (MTZ) to outperform from neutral at Credit Suisse.
• Amdocs (DOX) to neutral from underperform at BofA/Merrill.

Analyst Upgrades

• Intel (INTC), ON Semiconductor (ONNN), Lattice Semiconductor (LSCC), Fairchild Semiconductor (FSC), STMicroelectronics (STM) and Altera (ALTR) to outperform from neutral at RW Baird.
• Capital One (COF) to overweight from equal weight at Morgan Stanley.
• Dollar Tree (DLTR) to buy from neutral at Goldman.
• Foot Locker (FL) to buy from neutral at Sterne Agee.
• Progressive (PGR) to buy from neutral at BofA/Merrill.
• Flow International (FLOW) to buy from neutral at Roth Capital.
• Signature Bank (SBNY) to buy from hold at Jefferies.
• HiSoft Technology (HSFT) to buy from neutral at UBS.

Analyst Upgrades

• General Growth (GGP) to outperform from neutral at Credit Suisse.
• PPL Corp. (PPL) to outperform from market perform at FBR Capital.
• Hudson City Bancorp (HCBK) to neutral from reduce at Nomura.
• Hologic (HOLX) to conviction buy from buy at Goldman.
• Cognex (CGNX) to overweight from neutral at Piper Jaffray.
• Buckeye Partners (BPL) to outperform from market perform at Wells Fargo.
• Ericsson (ERIC) and Health Care REIT (HCN) to buy from neutral and Olin (OLN) to neutral from sell at UBS.
• Nalco (NLC) to overweight from neutral at JPMorgan.
• Watts Water (WTS) to buy from hold at BB&T.
• McDermott (MDR) to buy from neutral at Pritchard.