(For more market insights, including options activity, click on ; for the Day Ahead newsletter link.reuters.com/mex49s; for the Morning News Call newsletter, link.reuters.com/nex49s) U.S. stock index futures pointed to a flat open on Monday, with investors finding few reasons to keep pushing shares higher, with the Dow and S&P 500 at record levels. Dow Jones industrial average futures were up 0.09 percent at 16,719, S&P 500 futures were up 0.07 percent at 1,922.9 and Nasdaq 100 futures were up 0.09 percent at 3,738.75.
** ALLERGAN INC, Friday close $167.46, +1.25 pct premarket
** VALEANT PHARMACEUTICALS INC , Friday close $131.21
Activist investor Pershing Square on Monday said it launched a process to call a special meeting of Allergan shareholders, a move that could turn over most of the drug company's board and open the door to a takeover by Valeant Pharmaceuticals Inc .
** AMERICAN REALTY CAPITAL HEALTHCARE TRUST INC, Friday close $9.95, +9.05 pct premarket
** VENTAS INC, Friday close $66.8
Ventas, one of the largest U.S. healthcare real estate investment trusts, said it would buy American Realty Capital Healthcare Trust Inc HCT.O in a cash-and-stock deal valued at about $2.6 billion.
** BROADCOM CORP, Friday close $31.87, +14.28 pct premarket
The chipmaker said it was looking to sell or wind down its cost-intensive cellular baseband business that is hurting its operating income due to high research and development costs.
** NPS PHARMACEUTICALS INC, Friday close $31.13, +20.49 pct premarket
London-listed drugmaker Shire Plc has secured a $5 billion credit facility for a takeover offer for New-Jersey-based NPS Pharmaceuticals, The Times of London reported on Sunday. Insiders told The Times that an initial approach to NPS by Shire has been rebuffed.
** OIL STATES INTERNATIONAL INC, Friday close $107.58, -42.40 pct premarket
** CIVEO CORP, Friday close $13.67
Oil States said on Monday that it completed the spin-off of its accommodations business, Civeo Corp, by distributing Civeo shares to its shareholders.
To effect the spin-off, Oil States' shareholders on Friday received two Civeo shares for each Oil States share they held as of May 21.
** OMEROS CORP , Friday close $11.69, +6.67 pct premarket
The biopharmaceutical company said the U.S. Food and Drug Administration had approved its drug for use in cataract and lens replacement surgeries, making it the company's first drug to be approved by the regulator.
** BIOTA PHARMACEUTICALS INC, Friday close $2.69
The company said it plans to cut its workforce by about two-thirds and shut down its Melbourne, Australia facility following the loss of a key government contract.
** PROTECTIVE LIFE CORP, Friday close $52.3, +17.11 pct premarket
Japanese insurer Dai-ichi Life Co is in advanced talks to buy U.S. peer Protective Life in a deal that could be worth over $5 billion, extending a drive to buy assets abroad as an antidote to a weak domestic outlook.
** ASPEN INSURANCE HOLDINGS LTD, Friday close $45.95, +4.22 pct premarket
Insurer Endurance Specialty Holdings increased its offer for Aspen Insurance and was rejected for the second time. Endurance said on Monday it raised the offer by $2.00 to $49.50 per share, giving Aspen shareholders the option of taking cash or shares or a combination of both.
** RADIOSHACK CORP, Friday close $1.5, -3.33 pct premarket
Electronics retailer Best Buy Co Inc is gaining market share from rivals RadioShack and hhgregg, investment website Motley Fool said on Sunday. (link.reuters.com/tep79v)
"...With a plan to close 1,100 stores scrapped due to issues with creditors, RadioShack is at serious risk of bankruptcy in the near future...," the article said.
** MEADWESTVACO CORP, Friday close $40.58, +4.73 pct premarket
Activist investor Starboard Value LP reported a 5.6 percent stake in MeadWestvaco and said the packaging materials maker's stock was "deeply undervalued."
** BOEING CO, Friday close $135.25
Boeing vowed on Sunday to carry out a smooth transition between current and future models of its two most profitable jets - the long-haul 777 and smaller 737 - and dismissed Airbus plans to overhaul its own A330 model.
** CONN'S INC, Friday close $46.64, +11.00 pct premarket
The electronics and home appliance retailer reported a better-than-expected profit for the first quarter as furniture and mattress sales jumped about 65 percent.
** SEQUENOM INC, Friday close $3.07, +1.30 pct premarket
The life sciences company said it sold its Bioscience business to Agena Bioscience for $31.8 million, to focus on its more profitable laboratories business.
** JOHNSON & JOHNSON, Friday close $101.46, -0.16 pct premarket
** PHARMACYCLICS INC, Friday close $88.83, +7.24 pct premarket
A new drug for the most common form of leukemia in adults improves survival for patients whose disease has worsened despite standard treatment, according to late-stage study findings released on Saturday. Ibrutinib, sold by Pharmacyclics and Johnson & Johnson under the brand name Imbruvica, was approved by U.S. regulators for treatment of chronic lymphocytic leukemia in February.
** MERCK & CO INC, Friday close $57.86, +0.59 pct premarket
A highly anticipated new immunotherapy from Merck & Co Inc MRK.N proved effective in patients with advanced melanoma as well as some with lung cancer or head and neck cancer, according to early-stage studies presented on Monday.
** BRISTOL-MYERS SQUIBB CO, Friday close $49.74
U.S. researchers are finalizing plans to test two immunotherapy drugs made by Bristol-Myers Squibb Co BMY.N on patients newly diagnosed with the most common form of deadly brain tumors in adults.
** NATIONAL OILWELL VARCO INC, Friday close $81.87, -8.82 pct premarket
The largest U.S. oilfield equipment provider said on Friday it completed the spin off of its distribution business into a new company, NOW Inc.
** ELI LILLY AND CO, Friday close $59.86, -1.44 pct premarket
Eli Lilly's cancer drug ramucirumab modestly extended survival in a large, late-stage study of patients with advanced, nonsmall cell lung cancer who had relapsed following initial treatment, according to data presented on Saturday.
** HECLA MINING CO, Friday close $2.77
** KINROSS GOLD CORP, Friday close $3.78, -0.53 pct premarket
** ANGLOGOLD ASHANTI LTD, Friday close $15.79
** GOLDCORP INC, Friday close $23.37, +0.04 pct premarket
** IAMGOLD CORP, Friday close $3.05
** ELDORADO GOLD,Friday close $5.75
Gold fell for a fifth session on Monday, its longest losing streak in seven months, as rallying stock markets diverted interest from bullion, and ahead of the latest European Central Bank policy meeting and key U.S. data this week.
Spot gold was down 0.5 percent at $1,244.20 an ounce at 0939 GMT, while U.S. gold futures GCv1 for August delivery were down $1.30 an ounce at $1,244.70. Among other precious metals, silver was up 0.2 percent at $18.72 an ounce, recovering from Friday's 11-month low at $18.60.
** ALCOA INC, Friday close $13.61
Analysts at BofA Merrill Lynch upgraded the miner's stock to neutral from underperform, according to Theflyonthewall.com.
** CENTURY ALUMINUM CO, Friday close $13.65
Analysts at BofA Merrill Lynch upgraded the company's stock to "neutral", according to StreetInsider.com.
Compiled by Shubhankar Chakravorty in Bangalore; Editing by Sriraj Kalluvila