MARKET PULSE-Primero, First Solar, Zynga, Cache, Avon, Leap

Oct 5 (Reuters) - Some U.S. stocks on the move on Friday:

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The Dow Jones industrial average climbed to its highest level in nearly five years after an unexpected drop in the unemployment rate pointed to an improving economy.

The Dow Jones industrial average rose 55.87 points, or 0.41 percent, to 13,631.23. The Standard & Poor's 500 Index

was up 4.52 points, or 0.31 percent, to 1,465.92. The Nasdaq Composite Index increased 1.18 points, or 0.04 percent, to 3,150.64.

** PRIMERO MINING CORP , $7.16, up 32.6 pct (1256 ET)

The junior gold miner said it received a positive ruling from Mexican tax authorities on how it reports silver revenues.

** FLEETMATICS GROUP PLC , $22.98, up 35.2 pct (1256 ET)

The company's niche software business stood out in an otherwise lackluster IPO market.

The Irish fleet management software provider had priced its initial public offering of 7.8 million shares at the high end of its expected price range of $15 to $17 apiece, raising about $133 million.

** ZYNGA INC , $2.31, down 17.2 pct (1256 ET) ** FACEBOOK INC , $21.47, down 2.2 pct (1256 ET) ** GLU MOBILE INC , $4.01, down 6.2 pct (1257 ET)

Brokerages lowered their price targets on the stock by up to 40 percent after the "Farmville" game maker slashed its 2012 outlook for the second time due to a decline in the number of paying customers.

Facebook, which derives over a tenth of its revenue from fees paid by Zynga, was also down as was Glu Mobile.

** CACHE INC , $2.69, down 17.2 pct (1259 ET)

The women's apparel retailer forecast a wider loss in the third quarter, compared to its earlier expectations, as the company increased promotions to clear out excess summer inventory, and its fall styles also failed to work with shoppers.

** DATALINK CORP , $7.46, down 13 pct (1259 ET)

The company, which makes data storage systems and software, estimated third-quarter results below its forecast as customers held back on spending.

Several brokerages including Canaccord Genuity, Needham & Co and Cantor Fitzgerald cut their price targets on the company's stock.

** MERCURY COMPUTER SYSTEMS INC , $7.87, down 18.3pct (1300 ET)

Lazard Capital Markets downgraded the signal and image processing systems maker to "neutral." Jefferies & Co cut its price target on the stock to $7.70 from $12.

** INTELIQUENT , $7.80, down 14 pct (1300 ET)

The ethernet network provider said negotiations with a large customer may reduce rates significantly. Robert W. Baird & Co downgraded the stock to "neutral," saying the company's announced dividend of $3 was below expectations.

** SUNESIS PHARMACEUTICALS INC , $6.59, up 12.8 pct (1301 ET)

Roth Capital raised its price target on the stock, saying an analysis of interim data of the company's blood cancer drug Vosaroxin fell into a "promising" zone. The company released the data of its late-stage VALOR trial at an analysts' conference on Thursday. The brokerage raised the price target to $12 from $7.

** XENOPORT INC , $12.33, up 10.7 pct (1327 ET)

The pharmaceutical company reported favorable preliminary results from an early-stage trial for its drug XP23829, intended to treat multiple sclerosis and psoriasis.

** FIRST SOLAR INC , $20.25, down 10.3 pct (1302 ET)

The largest U.S. solar panel's spokesman confirmed there were reliability issues with more than 200,000 of its panels. Brokerage Avian Securities LLC downgraded the stock.

** WISDOMTREE INVESTMENTS INC , $6.89, up 8.6 pct (1302 ET)

Goldman Sachs added the company to its "conviction buy" list saying investment management company was insulated from price competition in the exchange-traded funds space, and was poised to gain market share in an attractive niche.

** TRIQUINT SEMICONDUCTOR INC , $5.35, up 6.8 pct (1302 ET)

Lazard Capital Markets started coverage on the chipmaker's stock with a "buy" rating.

** F5 NETWORKS INC , $104.93, down 2.3pct (1305 ET)

Barclays Capital downgraded the network gear maker's stock to "equal weight" from "overweight" and cut its price target on the stock to $105 from $115.

** PEP BOYS-MANNY MOE AND JACK , $10.38, up 5.4 pct (1305 ET)

Benchmark Co upgraded the auto repair chain to "buy" from "hold," saying an improving tire profit environment and a possible debt refinance will likely lead to earnings growth. The brokerage also raised its rating on Pep Boys's stock to $12 from $10.

** CONSTELLATION BRANDS INC , $36.14, up 4 pct (1305 ET)

The world's largest branded-wine company's quarterly earnings beat Wall Street estimates, and the world's largest branded wine company forecast strong results for the fiscal year, helped by new brands and increased promotional spending.

** ARBOR REALTY TRUST INC , $5.66, down 6.4 pct (1306 ET)

The real estate finance company announced a public offering of 3.5 million common shares.

** AVON PRODUCTS INC , $17.19, up 6 pct (1306 ET)

The cosmetics company said Executive Chairman Andrea Jung, who was replaced as chief executive in April, has decided to step down from the board at the end of 2012, ending what became a tumultuous tenure in recent years.

** ORACLE CORP , $31.51, down 1.2 pct (1307 ET)

The company has all the pieces it needs to compete in cloud computing but is always interested in looking at compelling M&A opportunities, Chief Financial Officer Safra Catz told investors.

** INFORMATICA CORP , $27.45, up 5.5 pct (1307 ET)

Nomura Equity Research upgraded the software maker to "buy" from "neutral," saying while it may take time for the company to turn its sales force issues around, the stock is trading at an attractive level after Thursday's 23 percent drop.

** SPRINT NEXTEL CORP , $5.20, up 2.2 pct (1307 ET)

** METROPCS COMMUNICATIONS INC , $12.75, up 0.5 pct (1308 ET)

** LEAP WIRELESS INTERNATIONAL INC , $6.23, up 6.5 pct (1308 ET)

Sprint Nextel is considering making a rival bid for MetroPCS, which agreed on Wednesday to a merger with Deutsche Telekom AG's T-Mobile USA, according to people familiar with the situation.

The stock of Leap Wireless was also up on the news. ** THE MEDICINES CO , $25.37, down 4.8 pct (1308 ET)

The company said it discontinued a mid-stage study of its experimental drug to reduce blood loss during surgery due to evidence of risk to patients.

(Complied by Aditi Shrivastava in Bangalore)

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