Among the companies with shares expected to actively trade in Wednesday's session are Nielsen Holdings NV (NLSN), Scotts Miracle-Gro Co. (SMG) and Nucor Corp. (NUE).
Data provider Nielsen cut the top end of its full-year revenue guidance to reflect changes in operating conditions overseas in the company's Buy segment, which offers market research for consumer firms. Shares were last trading 6.2% lower at $26.07 in premarket trade.
Scotts Miracle-Gro expects to fall short of its prior fiscal-year guidance as sales growth momentum at its biggest U.S. retail partners has fallen off. Shares tumbled 16% to $36.06 premarket.
Nucor, the second-largest U.S. steelmaker by production, forecast second-quarter earnings below Wall Street expectations, noting a continued flood of imports that is putting pressure on steel prices. Shares were last trading down 2.5% at $35.22, dragging shares of peers AK Steel Holding Corp. (AKS) and United States Steel Corp. (X) lower.
Celgene Corp. (CELG) added $2.5 billion to its stock repurchase program, making the biopharmaceutical company one of the latest companies to tap cash stockpiles in order to bolster investors' confidence. Shares were up 1.9% at $64.25 premarket.
Dell Inc. (DELL) said it plans to pay a dividend starting in its fiscal third quarter, becoming the latest technology company looking to attract a new group of investors. Shares were last up 2.8% at $12.30 premarket.
American Realty Capital Properties Inc. (ARCP) disclosed plans to offer 3 million shares of common stock to make additional property acquisitions and pay down debt. Shares fell 3.4% to $9.90 premarket.
Endeavour International Corp. (END) said it will offer an undisclosed number of shares to raise funds for its current development operations. Shares dropped 5.4% to $7.79 premarket.
Alexza Pharmaceuticals Inc. (ALXA) said it initiated a 10-for-1 reverse stock split of its outstanding shares in an effort to regain compliance with Nasdaq and stay listed on the exchange.
Career Education Corp. (CECO) said it has received notice from the Accrediting Commission of Career Schools and Colleges to show cause why its accreditation at 10 of its institutions should not be withdrawn, a move that comes as the accreditor cracks down on student employment placement practices at the for-profit education company.
Casey's General Stores Inc.'s (CASY) fiscal fourth-quarter earnings rose 1.4% as the convenience-store operator reported strong sales and higher margins inside its stores that offset the impacts of lower gasoline margins. Earnings, however, missed expectations.
Johnson & Johnson (JNJ) said it expects to close its $19.7 billion bid for medical-device maker Synthes Inc. (SYST.VX) this Thursday, after it received all U.S. and European regulatory clearance for the deal.
Analysts at Goldman Sachs cut their recommendation on McDonald's Corp. (MCD) to neutral and lowered their price target 8% to $92 a share, citing the company's recent slowdown in sales growth.
Orchard Supply Hardware Corp.'s (OSH) fiscal first-quarter loss widened, as the home-improvement retailer saw weaker same-store sales drag down revenue.
Write to Mia Lamar at email@example.com