NEW YORK ( TheStreet) -- Drugstore chain Walgreen (WAG) reported third-quarter profit of 65 cents a share vs. the average analyst estimate of 63 cents a share. The company also announced that its contract renewal negotiations with pharmacy benefit manager Express Scripts (ESRX) were unsuccessful. Shares were tumbling 4.4% to $43.20 in premarket trading Tuesday.
Bookstore Barnes & Noble (BKS) is expected to report a fourth-quarter loss of 91 cents a share before the markets open on Tuesday. Shares were popping 7.3% to $21.60.
Natural gas producer EnCana (ECA) saw its shares tumble 3.7% to $29 after announcing that it and PetroChina (PTR) ended talks for a proposed joint venture regarding Encana's Cutbank Ridge assets after being unable to reach an agreement.
Nokia (NOK), the Finnish mobile phone maker, said Tuesday it plans to launch its first Windows-based smartphones later in 2011. Shares were rising 2.1% to $5.97.
Conglomerate General Electric (GE) and Chinese battery and automobile maker BYD are benefiting from Japan's nuclear crisis, which has increased demand for the types of energy-efficient LED and power packs these companies can produce, Bloomberg reported. The report says GE and BYD are now going up against Japan-based electric companies such as Toshiba and Panasonic (PC) to gain market share in the country's $120 billion electric appliance market. GE shares were up 0.5% to $18.58.
Drug company AstraZeneca (AZN) is close to selling its Swedish health care and dental unit Astra Tech to dental products company Dentsply International (XRAY) in a deal worth about $1.8 billion, according to reports. AstraZeneca shares were unchanged at $49.27.
Cruise company Carnival (CCL) is expected to report second-quarter profit of 23 cents a share Tuesday. Shares were trading sideways at $35.72.
Software maker Adobe (ADBE) is expected to post second-quarter earnings of 51 cents a share. >>Search for Highest Dividends by Rate or Yield
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