Among the companies whose shares are expected to see active trade in Monday's session are Target Corp., Agilent Technologies, Jo-Ann Stores Inc. and American Retirement Corp.

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Agilent Technologies Inc. (A) is expected to report fiscal second-quarter earnings of 37 cents a share, according to analysts polled by Thomson First Call.

Jo-Ann Stores Inc. (JAS) is seen posting a first-quarter loss of 33 cents a share.

Target Corp.'s (TGT) first-quarter per-share profit is expected to be 63 cents.

Valspar Corp. (VAL) is expected to report a fiscal second-quarter profit of 42 cents a share.

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Andersons Inc. (ANDE) said its board has approved a 2-for-1 stock split. For each share owned on June 1, holders will receive one additional share after the close of business on June 28.

AT&T Corp. (T) and BellSouth Corp (BLS) are facing lawsuits seeking billions of dollars in damages for the decision to turn over calling records to the government, the New York Times reported Saturday. A federal lawsuit was filed in Manhattan Friday seeking as much as $50 billion in civil damages against Verizon (VZ) on behalf of its subscribers. The telecommunications companies allegedly complied with an effort by the National Security Agency to build a vast database of calling records, without warrants, to increase its surveillance capabilities after the Sept. 11 terrorist attacks.

Brookdale Senior Living Inc. (BKD) will acquire American Retirement Corp. (ACR) for $1.2 billion, the companies said.

Carter's Inc. (CRI) declared a 2-for-1 stock split. The new shares will be distributed June 6 to shareholders of record as of May 23, the Atlanta-based children's clothing marketer said.

Empresa Brasileira de Aeronautica S.A. (ERJ) reported first-quarter net earnings of $65.3 million, or 37 cents per American Depositary Share, down 32 percent from $96.5 million, or 55 cents a share, in the year-ago period. Revenue at the Brazilian jetmaker rose 5.9 percent to $808.3 million from $763.3 million. Analysts polled by Thomson First Call had forecast earnings of 55 cents per ADS. Gross margin fell to 28.7 percent from 35.1 percent last year.

Imperial Industries Inc. (IPII) reported first-quarter net earnings of $1.08 million, up 30 percent from $831,000, or 33 cents a share, during the year-ago period. The Pompano Beach, Fla.-based building products company posted revenue of $20 million vs. $16.6 million.

The Department of Justice said in a court filing that Microsoft Corp. (MSFT) agreed to a two-year extension of a key part of its landmark antitrust settlement, while also finding that a new search feature in the latest version of Microsoft's Web browsing software isn't anticompetitive.

TransMontaigne Oil Co. (TMG) said it has entered into an amended acquisition agreement with SemGroup L.P. Under the new agreement, SemGroup lifted its offer to $10.75 from $9.75 a share. After receiving SemGroup's amended agreement yesterday, TransMontaigne said it decided the terms were more favorable to its shareholders than the $10.50-per-share offer from Morgan Stanley Capital Group Inc., a unit of Morgan Stanley.

Valentis Inc. (VLTS) reported a fiscal third-quarter net loss of $4.85 million, or 32 cents share, compared with a net loss of $2.98 million, or 23 cents a share, during the year-ago period. Revenue for the period fell to $114,000 from $324,000. There were 15.1 million shares outstanding during the quarter vs. 13 million a year ago, the Burlingame, Calif.-based biotechnology company said.