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 - Get Report) 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 - Get Report) saw its shares tumble 3.7% to $29 after announcing that it and PetroChina (PTR - Get Report) ended talks for a proposed joint venture regarding Encana's Cutbank Ridge assets after being unable to reach an agreement.
Nokia (NOK - Get Report), 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 - Get Report) 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 - Get Report) is close to selling its Swedish health care and dental unit Astra Tech to dental products company Dentsply International (XRAY - Get Report) in a deal worth about $1.8 billion, according to reports. AstraZeneca shares were unchanged at $49.27.
Cruise company Carnival (CCL - Get Report) is expected to report second-quarter profit of 23 cents a share Tuesday. Shares were trading sideways at $35.72.
Software maker Adobe (ADBE - Get Report) is expected to post second-quarter earnings of 51 cents a share. >>Search for Highest Dividends by Rate or Yield
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