GW Pharma, Builders FirstSource Lead Monday's After-Hours Movers

April 13, 2015

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AirMedia Group Inc. (NASDAQ: AMCN) extended its earlier gains in the after-hours session Monday, increasing about 3 percent to $3.60 a share. Shares of the Chinese operator of out-of-home advertising platforms including airport TV screens are up more than 73 percent in the past five trading days.

GW Pharmaceuticals PLC (NASDAQ: GWPH) continued to tick upward in late trading Monday, changing hands recently at $20.07 a share after closing up more than 5 percent. The American Academy of Neurology issued a press release Monday on GW's investigational medicine, Epidiolex, a childhood epilepsy drug derived from cannabidiol.

National Bank of Greece SA's Series A preferred shares (NYSE: NBG-A) rose more than 2 percent to $8.93 in the extended session on no news. The bank's common shares are down more than 75 percent this year on liquidity worries.

Glu Mobile Inc. (NASDAQ: GLUU) fell more than 9 percent in the after-hours session to $4.62 a share. The San Francisco-based digital gaming company didn't issue any news.

Builders FirstSource, Inc. (NASDAQ: BLDR) gave back a little of its big gains seen earlier Monday, changing hands recently off about 5 percent at $11.01. The shares closed up nearly 68 percent Monday on news it will acquire building materials supplier ProBuild Holdings for $1.63 billion.

Norfolk Southern Corp. (NYSE: NSC) declined more than 4 percent in extended trading Friday after the company issued a disappointing outlook on lower coal shipments via rail.

CSX Corp. (NYSE: CSX) dipped more than 2 percent to $32.36. The railroad company is expected to post results Wednesday.

Union Pacific Corp. (NYSE: UNP) sank more than 1 percent in late trading to $107 a share. The company is slated to post earnings April 23.

Pep Boys-Manny Moe and Jack (NYSE: PBY) lost more than 3 percent after the bell to $9.30 a share on disappointing quarterly results.

Leju Holdings Ltd. (NYSE: LEJU) gave back some of its earlier gains, changing hands recently down 2 percent to $8.94 a share. The Chinese real estate services provider had closed up earlier by 4 percent on no news.