Among the companies whose shares are expected to see active trade in Thursday's session are PepsiCo, Research in Motion Inc. and Red Hat Inc.

Actuant Corp. (ATU) is expected to report fourth-quarter earnings of 63 cents a share, according to analysts polled by Thomson First Call.

American Greetings Corp.'s (AM) second quarter is expected to show a per-share loss of 3 cents.

Emmis Communications Corp. (EMMS) is seen posting a per-share profit of 21 cents in its second quarter.

Family Dollar Stores Inc. (FDO) is expected to report earnings of 17 cents a share in its fourth quarter.

Lawson Software Inc.'s (LWSN) second quarter is expected to show earnings of 4 cents a share.

PepsiCo Inc. (PEP) is seen posting a per-share profit of 73 cents in its third quarter.

After Wednesday's closing bell, Research in Motion Inc. (RIMM) reported a 57% rise in its second-quarter profit, but the maker of the popular BlackBerry handheld gave an outlook that could fall short of analysts' consensus estimates.

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Amerigroup Corp. (AGP) said it expects to report a third-quarter loss of 6 cents to 8 cents a share. As a result, the company said it will not meet its 2005 earnings forecast of $1.73 to $1.78 a share. On a pro forma basis, the Virginia Beach, Va.-based healthcare services company expects to report third-quarter earnings of 18 cents to 20 cents a share. Analysts polled by Thomson First call are estimating earnings at 48 cents a share.

Ameristar Casinos Inc. (ASCA) lowered its financial forecasts for the third quarter and for 2005. Ameristar said the lowered forecast was largely due to greater-than-expected construction disruption related to a casino expansion in Black Hawk, Colo. Las Vegas-based Ameristar now sees third-quarter operating income of $39 million to $40 million, compared with its previous forecast of $42 million to $44 million. It sees per-share earnings of 26 cents to 28 cents, down from its previous view of 30 cents to 32 cents, for the quarter. For 2005, Ameristar now expects operating income of $162 million to $164 million vs. $171 million to $179 million; and per-share earnings of $1.08 to $1.11, compared with a prior forecast of $1.17 to $1.26 on a post-stock split basis.

A report said that investigators probing the Fannie Mae's (FNM) finances have found new accounting violations.

Forest Laboratories Inc. (FRX) and Cypress Bioscience Inc. (CYPB) said that a Phase III study of milnacipran as a treatment for fibromyalgia did not achieve statistical significance, but the companies plan to continue its development. The companies said further analyses must be completed to confirm the development plans. Milnacipran has been approved for the treatment of non-pain indications in 32 countries. Fibromyalgia is a condition characterized by widespread pain and stiffness throughout the body.

MeadWestvaco Corp. (MWV) said it is closing its packaging plant in Pine Brook, N.J., resulting in the elimination of 130 jobs. The Stamford, Conn.-based company expects the closure to be completed by the end of the year and plans to transfer the production to other healthcare packaging plants.

Red Hat shares gained nearly 11% in after-hours trading Wednesday after it reported second-quarter earnings that beat analysts' estimates.

Resources Connection Inc. (RECN) reported first-quarter net earnings of $15.1 million, or 29 cents a share, up 30% from $11.6 million, or 23 cents a share, in the year-ago period. Revenue at the Costa Mesa, Calif.-based professional services firm rose to $149.6 million from $115.4 million last year. Analysts polled by Thomson First Call had estimated earnings at 28 cents a share on revenue of $144.2 million

Stewart & Stevenson Services Inc. (SVC) has agreed to sell substantially all of the assets of its engineered products division for $60 million, the industrial equipment maker said Wednesday evening. The buyer is Hushang Ansary, a Houston oil industry entrepreneur.

St. Paul Travelers Cos. Inc. (STA) said that it has received a subpoena from New York Attorney General Eliot Spitzer as part of his inquiry into how insurers report workers' compensation premiums.