Among the companies whose shares are expected to actively trade in Friday's session are Marshall & Ilsley Corp. (MI), AstraZeneca PLC (AZN) and InterMune Inc. (ITMN).

Bank of Montreal (BMO) will acquire Marshall & Ilsley in a stock-for-stock deal valued at about US$4.1 billion, further strengthening the Canadian bank's position in the U.S. Midwest. Marshall & Ilsley gained 25% to $7.23 in premarket trading. News of the deal also is helping push up other money-losing regionals. Premarket Regions Financial Corp. (RF) climbs 7% to $6.57 and Zions Bancorporation (ZION) adds 4.5% to $22.32.

AstraZeneca's new blood-thinning drug Brilinta has again failed to win approval from U.S. regulators, jeopardizing new revenue the group needs to offset the impact of expiring patents on some of its top-selling products. Shares of the U.K.-based drug maker fell 5.5% to $46.51 in premarket trading.

InterMune said a panel from the European medicines regulator gave a positive opinion on its application to market its pirfenidone treatment for the fatal condition known as idiopathic pulmonary fibrosis. Shares more than doubled premarket, up 115% to $30.61.

Oracle Corp.'s (ORCL) fiscal second-quarter earnings rose 28% as the business-software giant continued to see strength in both its traditional software side and its new hardware business. Shares were up 4.2% at $31.55 premarket as the results beat the company's guidance.

Two Harbors Investment Corp. (TWO) announced plans to offer 10 millions shares of its common stock. Shares of the real estate investment trust fell 3% to $9.45 in premarket trading.

Massey Energy Co. (MEE) is looking at options including a sale of the company or a takeover of Wilbur Ross's International Coal Group Inc. (ICO), Bloomberg News reported Friday on its website, citing three unnamed people with knowledge of the matter. International Coal's shares surged 7.5% to $7.50 in premarket trading.

Research In Motion Ltd.'s (RIMM, RIM.T) fiscal third-quarter earnings rose 45%, topping its own targets, as revenue increased and the company said it shipped a record number of its BlackBerry smartphones. The company also forecast current-quarter earnings and revenue above analysts' view. Shares rose 2.7% premarket to $60.85.

Accenture PLC's (ACN) fiscal first-quarter earnings rose 20%, beating analysts' estimates, as the company's revenue improved. Accenture also raised its current-year forecast and gave a current-quarter revenue view that was above analysts' estimate. Shares rose 4.5% to $48.75 premarket.

Take-Two Interactive Software Inc. (TTWO) swung to a fiscal fourth-quarter profit as the company posted sharply higher sales of its critically acclaimed titles. The videogame maker gained 6.4% to $12.70 premarket.

 
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Smart Modular Technologies WWH Inc.'s (SMOD) fiscal first-quarter earnings jumped 74%, with adjusted results topping its own forecasts, as sales increased sharply. But the company also forecast current-quarter earnings below analysts' estimate.

Quiksilver Inc.'s (ZQK) fiscal fourth-quarter loss sharply widened as the outdoor-sports outfitter booked almost $45 million in charges and saw revenue slide again. In the just-begun fiscal year, Quiksilver expects slight growth in revenue, though it warned visibility is limited. For the current quarter, it expects revenue to fall about 5%. Analysts polled by Thomson Reuters projected flat sales for the year and a 6% drop.

Franklin Resources Inc. (BEN) boosted its quarterly dividend and announced plans to buy back up to an additional 10 million shares, joining the ranks of companies looking to return value to shareholders.

Pilgrim's Pride Corp. (PPC) appointed poultry veteran William W. Lovette as chief executive to succeed Don Jackson, who is departing to take the top post at JBS USA, the poultry producer's parent.

Prestige Brands Holdings Inc. (PBH) agreed to buy the Dramamine brand of motion-sickness medicine from Johnson & Johnson (JNJ) unit McNeil-PPC Inc. for $76 million cash.

Steelcase Inc.'s (SCS) fiscal third-quarter earnings rose more than expected from the office-furniture company's break-even bottom line a year earlier, as revenue gains bested its guidance.

Yahoo Inc. (YHOO) said on Thursday it is planning to shut down several "underperforming" and "non-core" Web properties as it continues a years-long turnaround effort.

-By Dow Jones Newswires; write to hotstocks@dowjones.com