(For faster updates on individual market-movers, Eikon users please use search string "STXBZ US"; for the Day Ahead newsletter, link.reuters.com/mex49s; for the Morning News Call newsletter, link.reuters.com/nex49s) Wall Street reversed course and slipped sharply into the red in volatile trading on Thursday after European Central Bank President Mario Draghi signaled an end to further rate cuts. The Dow Jones industrial average was down 0.93 percent at 16,842.58, the S&P 500 was down 0.88 percent at 1,971.82 and the Nasdaq Composite was down 1.28 percent at 4,614.77.
** VERICEL CORP, $4.1, +93.40 pct
The drugmaker said its heart drug in a mid-stage study reduced death, hospitalizations and emergency visits in patients with high risk of heart failure.
** DOLLAR GENERAL CORP, $81.29, +8.08 pct
The discount retailer reported higher-than-expected growth in quarterly sales at established stores as demand increased for items such as candy and snacks, perishables, tobacco and food.
** ENERGY FOCUS INC, $8.22, -37.73 pct
The LED lighting products maker reported lower-than-expected fourth-quarter sales and profit, hurt by "budget standstill within the U.S. government"; U.S. Navy and its distributors accounted for about 80 percent of Energy Focus's 2015 sales.
** RYERSON HOLDING CORP, $4.12, -9.45 pct
The metal processor reported lower-than-expected fourth-quarter revenue, hurt by lower average selling price per ton and a decline in tons shipped.
** STEIN MART INC, $7.005, -12.44 pct
The department store operator reported a lower-than-expected fourth-quarter profit due to higher marketing expenses and write-downs on inventories.
** SPHERIX INC, $2.3203, +20.22 pct
The patent licensing company signed a deal with Equitable IP Corp to enforce and monetize its patents.
** ZAFGEN INC, $5.7, -11.49 pct
Canaccord Genuity cut the drug developer's stock to "hold" from "buy", citing uncertainty around the company's experimental obesity drug, Beloranib. The company also posted a bigger-than-expected fourth-quarter loss on higher operating expenses.
** OMEGA PROTEIN CORP, $16.85, -23.13 pct
The nutrition products maker's fourth-quarter revenue misses, hurt by a fall in fish oil, fish meal and specialty oil sales.
** ENERGY XXI LTD, $0.7389, -31.58 pct
The U.S. oil and gas producer said it might seek Chapter 11 bankruptcy protection as soon as next week if oil prices remain low and it fails to refinance its debt.
** COLUMBIA PIPELINE GROUP INC, $22.97, +16.30 pct
** TRANSCANADA CORP, $35.81, -3.53 pct
TransCanada is in talks to buy the U.S. natural gas pipeline operator, a person familiar with the matter told Reuters.
** ORION MARINE GROUP INC, $4.33, +7.98 pct
The construction company reported a better-than-expected fourth-quarter profit and reiterated its 2016 financial forecast.
** FUELCELL ENERGY, $6.17, -12.73 pct
The fuel cell maker posted a bigger-than-expected first quarter loss, hurt by higher costs.
** XOMA CORP, $0.9743, +9.74 pct
The drug developer reported better-than-expected fourth-quarter revenue, helped by upfront milestone payments from companies including Pfizer Inc and Novartis AG .
** UNIVERSAL ELECTRONICS INC, $63.9, +10.50 pct
The remote control maker signed a warrants agreement with Comcast Corp, allowing the largest U.S. cable company to buy the company's stock subject to certain milestones.
** SPECTRUM PHARMACEUTICALS INC, $5.425, +8.28 pct
The cancer drugmaker reported better-than-expected fourth-quarter revenue, helped by licensing fees received for its cancer treatments.
** PERNIX THERAPEUTICS HOLDINGS INC, $1.77, -22.37 pct
The drugmaker forecast 2016 revenue below analysts' view.
** EXXON MOBIL CORP, $81.47, -1.13 pct
** APACHE CORP, $45.67, -1.21 pct
** BP PLC, $29.595, -2.33 pct
** PHILLIPS 66, $84.34, -2.03 pct
** VALERO ENERGY CORP, $63.19, -2.48 pct
** MARATHON PETROLEUM CORP, $35.88, -3.18 pct
** CHESAPEAKE ENERGY CORP, $4.555, -1.62 pct
** DEVON ENERGY CORP, $22.01, -4.01 pct
** TESORO CORP, $85.04, -3.91 pct
Oil and gas companies' stocks fell as crude prices dropped after hitting 3-month highs this week; analysts say bigger gains unwarranted as refineries enter maintenance period ahead of summer demand, reducing need for oil.
** PLUG POWER INC, $2.06, +8.42 pct
The fuel cell maker posted a smaller adjusted fourth-quarter loss, helped by higher margins from its GenDrive fuel cell business.
** PACIFIC ETHANOL INC, $5.29, +25.65 pct
The ethanol producer posted a surprise fourth-quarter profit as production more than doubled, helped by the acquisition of Aventine Renewable Energy Holdings Inc in July.
** CANADIAN SOLAR INC, $18.9399, -12.96 pct
The solar company forecast first-quarter revenue of $645 million-$695 million, well below the average analyst estimate of $803.1 million.
** ALTISOURCE PORTFOLIO SOLUTIONS SA, $23.3, +4.34 pct
** OCWEN FINANCIAL CORP, $2.87, +5.51 pct
Altisource, the affiliate of mortgage servicer Ocwen, reported better-than-expected fourth-quarter profit, driven by higher revenue from its mortgage services business and lower reimbursable expenses.
** TRAVELPORT WORLDWIDE LTD, $12.94, -5.48 pct
The company, a provider of booking and payment services to the travel industry, on Wednesday announced offering of 10.6 million common shares by selling shareholders.
** TWITTER INC, $16.42, -7.02 pct
The company has been offering additional restricted stock and cash bonus to employees to prevent staff departure, the Wall Street Journal reported.
** GULFPORT ENERGY CORP, $25.41, -4.00 pct
The oil and natural gas producer raised the size of its public offering to 14.7 million shares from 14 million. The upsized offering represented 13.6 percent of the company's total outstanding shares as of Feb. 10.
** ENERGY TRANSFER EQUITY, $7.119, -5.08 pct
** WILLIAMS COMPANIES INC, $16.39, -5.37 pct
Energy Transfer, which is in the process of buying rival pipeline company Williams Companies, said it carried out a private offering of convertible shares to some of its investors in order to help pay for the deal.
** FRESHPET INC, $7.6, +7.95 pct
The pet-food maker's quarterly earnings beat analysts' estimates for the first time since its IPO as fourth-quarter sales rose about 23 percent. (Compiled by Manish Parashar in Bengaluru; Editing by Maju Samuel)