Take a look at some of Friday's midday movers:
Arista Networks - The networking-equipment vendor rose in its market debut after pricing 5.25 million shares at $43.
Caesars Entertainment - The gambling resort fell after Bloomberg News reported it received a notice of default from a bondholder group.
Consol Energy - The producer of coal and natural gas climbed after Goldman Sachs upgraded the stock to buy while increasing its price target to $55 from $49.
eBay - The online auctioneer declined after RW Baird commented on slowing growth in the last two weeks of May, which it said could suggest risk to second-quarter guidance. It reduced its price target $2 go $63 a share.
GW Pharmaceuticals - The biotechnology company rose after the FDA granted fast track designation for its treatment for Dravet Syndrome, a rare form of childhood epilepsy.
Hertz Global Holdings - The provider of car rentals dropped after it warned it might have to restate financial results for the past three years.
Humana - The supplier of health care gained after Stifel upgraded the stock to buy from hold.
Novavax - The biopharmaceutical company declined a day after offering 25 million shares in a public offering at $4 a share.
Peabody Energy - The coal miner fell after Goldman Sachs downgraded the stock to neutral from buy and cut its price target to $16 from $21.
Sears Holding - The retailer gained on a Reuters report that controlling shareholder Eddie Lampert met with outgoing Ford CEO Alan Mulally for advice turning the struggling retailer around. In an ensuing CNBC interview, Mulally avoided Jim Cramer's question on whether he was going to take over at Sears, saying he has not yet decided what he's going to do next.
Vodafone Group Public Limited - The British telecom climbed after disclosing a number of countries can tap directly into its communication network.
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—By CNBC's Rich Fisherman.
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