(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) U.S. stocks were lower in early afternoon trading, but were well off their lows earlier on Monday as investors remained optimistic that a deal could be reached to prevent Greece's exit from the euro zone. The Dow Jones industrial average was down 0.51 percent at 17,639.25 and the S&P 500 was down 0.63 percent at 2,063.66.
** SINOPEC SHANGHAI PETROCHEMICAL CO LTD, $44.44, -13.99 pct
** PHOENIX NEW MEDIA LTD, $6.69, -12.32 pct
** YOUKU TUDOU INC, $20.76, -11.55 pct
** 500.COM LTD, $21.48, -9.67 pct
Chinese stocks trading in the United States fell on Monday despite China's steps over the weekend to support its market, which has shed almost 30 percent in three weeks.
** HUMANA INC, $190.82, +1.77 pct
** AETNA INC, $116.07, -7.52 pct
** CENTENE CORP, $70.69, -5.04 pct
** HEALTH NET INC, $68.38, -4.46 pct
** ANTHEM INC, $161.31, -1.12 pct
** CIGNA CORP, $160.25, -0.64 pct
** UNITEDHEALTH GROUP INC, $122.05, +0.20 pct
Health insurer Aetna on Friday said it would buy smaller rival Humana for about $37 billion in cash and stock, in the largest ever deal in the insurance industry.
The deal will face rigorous scrutiny from U.S. regulators, which antitrust experts said could also make other large-scale mergers in the sector more difficult.
** VERSARTIS INC, $18.82, +28.73 pct
The U.S. FDA removed a partial clinical hold on a late-stage trial of Versartis' experimental drug to treat growth hormone deficiency in children.
** ONCOLYTICS BIOTECH INC, $0.615, +13.91 pct
The Canadian biotech said data from the mid-stage study of its experimental drug, reolysin, in combination with chemotherapy gemcitabine suggests an increase in median overall survival.
** ENZON PHARMACEUTICALS INC, $1.379, +13.97 pct
The company announced a special cash dividend of 50 cents per share payable on Aug. 12 to stockholders of record as of July 21.
** HORSEHEAD HOLDING CORP, $9.67, -15.55 pct
The zinc and nickel producer's stock touched a two-and-half year low of $8.33 after analysts at BB&T downgraded the stock to "hold", citing lower production at the company's Mooresboro unit in North Carolina and a fall in zinc and nickel prices.
** SILICOM LTD, $27.8004, -23.63 pct
The Israeli computer networking equipment maker said it expects second-quarter revenue of $16.8 million-$17.2 million, compared with $17.9 million a year earlier.
** WEIGHT WATCHERS INTERNATIONAL INC, $4.79, +17.11 pct
A hedge fund is in talks with potential partners to make an offer for Weight Watchers, the New York Post reported. (bit.ly/1gjfCLt)
** CATABASIS PHARMACEUTICALS INC, $13.01, +4.92 pct
The drug developer said its experimental muscle disorder drug, codenamed CAT-1004, received "fast track" status from the U.S. FDA.
** ALLOT COMMUNICATIONS LTD, $5.6804, -19.77 pct
The Israel-based bandwidth management service provider said it expects 2015 revenues of $100 million-$105 million, compared with $117.2 million a year earlier.
** ALLIANCE FIBER OPTIC PRODUCTS INC, $20.9899, +13.09 pct
The maker of fiber optic components said it expects second-quarter revenue of about $25 million, above the average analyst estimate.
** EHEALTH INC, $13.53, +11.73 pct
RBC Capital Markets upgraded the stock to "outperform" from "sector perform" and raised its price target to $16 from $14.
Analyst David Francis said the company's Medicare business is set to outperform meaningfully in the short term.
** EAGLE PHARMACEUTICALS INC, $80.28, +7.38 pct
Analysts at William Blair & Co raised price target on the stock to $97 from $89.
** AXIALL CORP, $35.87, +5.19 pct
The chemical products company appointed Timothy Mann Jr as its interim chief executive after Paul Carrico announced retirement.
** CHEVRON CORP, $95, -0.91 pct
** REX ENERGY CORP, $4.51, -9.98 pct
** COMSTOCK RESOURCES INC, $2.23, -8.98 pct
** OASIS PETROLEUM INC, $13.31, -9.02 pct
** ENERGY XXI LTD, $2.14, -7.36 pct
** SEVENTY SEVEN ENERGY INC, $3.49, -10.28 pct
Shares of oil and gas companies down as oil prices fall after Greece rejects debt bailout terms and China rolls out emergency measures to support its stock markets, adding to concerns about demand at a time of global oversupply.
** INVIVO THERAPEUTICS HOLDINGS CORP, $17.281, +10.35 pct
The biotech said a patient who was evaluated one month post implantation of its Neuro-Spinal Scaffold regained spinal sensation with improved bladder function. Another patient evaluated six months post-implant regained partial sensation from lower ribs to hip on right and made progress in daily activities.
** GUESS INC, $19.57, +2.73 pct
Analysts at Piper Jaffray raised its rating on the stock to "neutral" from "underweight" - theflyonthewall.com.
** NV5 HOLDINGS INC, $27.398, +8.38 pct
Analysts at Roth Capital Partners raised their price target on the stock to $30 from $26. "We anticipate double-digit organic growth this year and recent acquisitions will drive 60 percent higher EBITDA in 2015 and 26 percent in 2016," analysts wrote.
** UNITED CONTINENTAL HOLDINGS INC, $53.19, +3.28 pct
Analysts at Sterne Agee raised their rating to "buy" from "fair value". "Management has stopped 'putting out fires' and is focused on proactive changes to its network to lower unit costs and improve unit revenues in the first and fourth quarters," analyst Michael Derchin wrote. (Compiled by Anet Josline Pinto in Bengaluru; Edited by Maju Samuel)