NEW YORK (TheStreet) -- Cephalon (CEPH) finished up 2% to $58.70 at the closing bell after announcing plans to buy Australian biopharmaceutical company ChemGenex for about $231 million.
>>Cephalon to Bid for Australia's ChemGenex

Oil services company

Halliburton

(HAL) - Get Report

rebounded by 2.2% at $48.97 at the closing bell after being flat for most of the day on the firm's expectations that the turmoil in the Middle East and North Africa and bad weather in North America and Australia will cut into first-quarter profits.

Conglomerate

General Electric

(GE) - Get Report

rebounded by 0.4% to $19.83 after dipping in the red following its agreement to acquire 90% of

Converteam

, a provider of electrification and automation equipment and systems, for about $3.2 billion.

>>GE to Buy Converteam for $3.2B

New York-based apparel maker

Philips-Van Heusen

(PVH) - Get Report

rose 8.3% to $65.19 after reporting better-than-expected quarterly results and after it gave a bullish full-year outlook.

>>Lululemon: After-Hours Trading

Lennar

(LEN) - Get Report

fell 3.4% to $19.08 after swinging to a profit in the first quarter, driven by higher operating profits at its homebuilding operations, but reporting a lack of clarity on whether the spring selling season will gain momentum or continue its sluggish recovery.

>> Lennar Swings to Profit, Margins Improve

Spices and specialty foods company

McCormick

(MKC) - Get Report

fell 1.6% to $48.81 after beating analysts' expectations by 3 cents and speaking about higher input costs in 2011. The company reported first-quarter earnings of 57 cents a share and expects 2011 earnings per share of $2.80 to $2.85 vs. the Wall Street consensus view of $2.82.

Education services company

Apollo Group

(APOL)

fell 4.4% to $40.50 after reporting a second-quarter loss from continuing operations of 47 cents a share, though adjusted earnings were 83 cents a share, beating the consensus estimate of 69 cents a share.

Lululemon Athletica

(LULU) - Get Report

, a Canadian maker of sports apparel, rose 4.6% to $89.20 after its board authorized a two-for-one split of the company's common stock.

>>Lululemon: After-Hours Trading

Online retailer

Amazon

(AMZN) - Get Report

rose 3.1% to $174.58 after announcing that it has launched the Amazon Cloud Drive, an Internet service that lets customers store music and play it on their smartphones or computers.

>> Amazon Launches Cloud Music Service

Home-improvement retailer

Home Depot

(HD) - Get Report

rose 2.9% to $37.71 after issuing $2 billion in additional senior debt with plans to use the proceeds to refinance some existing debt and accelerate stock repurchases.

>>Home Depot Prices $2 Billion in Senior Debt

>>Search for Highest Dividends by Rate or Yield

-- Written by Andrea Tse in New York.

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