Among the companies whose shares are expected to actively trade in Friday's session are Yahoo Inc. (YHOO), Starbucks Corp. (SBUX) and Chesapeake Energy Corp. (CHK).

Yahoo, Alibaba Group and Softbank Corp. (9984.TO) reached an agreement in their dispute over the status of Alipay, in which the payment processor gets the license it needs to continue operating and allows Alibaba Group a stake in any potential initial public offering. Shares of Yahoo climbed 6.5% to $14.37 premarket.

Starbucks' fiscal third-quarter profit jumped 34% as the coffee giant reported higher same-store sales in the U.S. and abroad as traffic and the amount consumers spent per purchase grew. Shares rose 1.4% to $40.55 in premarket trading as results topped expectations.

Chesapeake Energy's second-quarter profit doubled as production increased, while prior-year results included a derivatives loss. Shares rose 2.6% to $34.30 in premarket trading, as results topped analysts' expectations. Chesapeake also said it has made a "major new liquids-rich discovery" in the Utica shale play of eastern Ohio, and values its Utica holdings at a possible $12,000 to $16,000 an acre. The announcement boosted shares of oil-and-gas company EV Energy Partners LP (EVEP), which owns some 150,000 net acres and has royalty rights on another 80,000 in the region. EV Energy shares climb 16% premarket to $73.99.

Motorola Mobility Holdings Inc. (MMI) reported a 28% rise in second-quarter revenue, thanks to strong tablet sales, but the device maker provided weak guidance for the current quarter because of delays in launching speedier 4G devices. Shares fell 6.7% to $21.41 in recent premarket trading as the company issued a weak outlook.

Arch Coal Inc.'s (ACI) second-quarter profit plunged 83% as expenses related to a recent acquisition more than offset revenue gains driven by higher pricing. Shares were down 6.7% to $24.22 in premarket trading as per-share earnings results missed expectations and the company lowered its full-year guidance.

Newell Rubbermaid Inc.'s (NWL) second-quarter earnings rose 13% on fewer restructuring charges, but margins fell as the household-products company's price increases couldn't fully offset rising commodity costs. Shares climbed 3.7% to $14.90 in light premarket trading.

Allied Healthcare International Inc. (AHCI) has agreed to be acquired by Saga Group Ltd. in a deal valued at about $175 million, completing recent deliberations over the best way forward for the home care provider. Saga's offer of $3.90 a share is a 59% premium to Allied's Thursday close of $2.45. Shares of Allied Healthcare surged 56% to $3.83 premarket.

Newmont Mining Corp.'s (NEM) second-quarter profit edged up 1.3% as higher prices boosted revenue, offsetting lower gold and copper production and litigation charges. Shares of Newmont were down 2.1% to $56.52 in premarket trading as the results were weaker than expected.

Expedia Inc.'s (EXPE) second-quarter earnings rose a better-than-expected 23% as a jump in international hotel bookings and growing advertising revenue lifted the company's margins. Shares jumped 4.7% to $30.35 in premarket trading as revenue also increased faster than expected.

MetLife Inc. (MET) reported Thursday its second-quarter profit fell 21% on a jump in claims at the biggest U.S. life insurer. But shares rose 3% to $41 in premarket trading as the company's core profit unexpectedly rose.

Vertex Pharmaceuticals Inc. (VRTX) reported strong initial sales of its newly launched hepatitis C pill Incivek in the second quarter, and said it expects be profitable in 2012. Shares of the pharmaceutical company rose 3.2% to $49.52 premarket.

STEC Inc.'s (STEC) second-quarter profit soared as the data-storage maker reported strong revenue growth and expanding margins, but warned that market challenges would hurt the current quarter's results. Shares slumped 35% to $10.79 in premarket trading, as STEC gave a weak outlook for the current quarter.

VistaPrint NV's (VPRT) fiscal fourth-quarter earnings rose 24% tracking a gain in revenue, but the printing company's bottom-line projections for the current quarter and fiscal year were lower than expected. Shares were down 32% at $28.80 premarket.

TeleNav Inc.'s (TNAV) fiscal fourth-quarter earnings hit the high end of the company's upbeat target, thanks to expanding revenue from strategic growth areas, but the maker of voice-guided navigation targeted lower-than-expected results in the current quarter and fiscal year. Shares plunged 25% to $13.47 premarket.

Zoll Medical Corp. (ZOLL) reported a better-than-expected 65% jump in its fiscal third-quarter earnings, driven by higher defibrillator sales. Shares rose 3.9%, to $57.53 premarket.

Community Health Systems Inc.'s (CYH) second-quarter profit slid 49% as the operator of acute-care hospitals reported higher operating expenses and a write-down for hospitals held for sale, although revenue climbed as admissions were up. Shares rose 8.4% to $26.96 in premarket trading as profit came above analysts' expectations.

Verizon Wireless declared a dividend to its owners of $10 billion that will be payable early next year, providing parents Verizon Communications Inc. (VZ) and Vodafone Group PLC (VOD) with a rich source of cash. Also, the Communication Workers of America said its members at Verizon Communications voted to let their union representatives call a strike if they can't reach a new contract agreement with the telecom giant. Shares of Vodafone Group jumped 4.6% to $28.08 premarket.

French waste and water utility Veolia Environnement SA's (VE) impairment and lower full-year guidance announcement Friday was linked to an accounting fraud at the group's U.S. waste activities as well as the underperformance of its Dalkia unit in Italy, a person familiar with the matter told Dow Jones Newswires. Veolia American depositary shares fell 8.5% to $22.73 premarket.

Cerner Corp.'s (CERN) second-quarter profit jumped 30% on a double-digit pop on its top line and a surge in bookings. The health care information-technology company again lifted its current-year forecast. Shares rose 3% to $63.90 premarket.

McKesson Corp.'s (MCK) fiscal first-quarter profit slipped 4% as the company struggled with a jump in operating expenses that dampened top-line growth. The company raised its full-year earnings forecast. Shares were up 3.9% to $82.70 in premarket trading as the results beat estimates.

-Edited by Corrie Driebusch and Caitlin Nish; write to or

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