Advanced Micro Devices (AMD) - Get Report reported stronger-than-expected first-quarter earnings tonight of $1.15 a share, slaughtering the 17-analyst estimate of 58 cents and the year-ago loss of 81 cents.

The company said that sales soared by 73% versus the year-ago quarter due to demand for its Athlon and flash memory chips.

Mergers and acquisitions

Gene manipulation company

Maxygen

(MAXY)

reported that it will acquire Dutch

ProFound Pharma

, a company focused on the development of protein products, for $63 million in stock. Under terms of the agreement, Maxygen expects to issue 980,000 shares of its common stock and additional shares -- subject to put and call options -- with a value of $10 million.

Privately held media conglomerate

Hearst

will consider buying up to one million additional shares of

Women.com

(WOMN) - Get Report

. Hearst currently owns a 46.8% stake, or 21.8 million shares, of the Internet network for women.

Earnings/revenue reports and estimates

Actuate

(ACTU)

posted first-quarter pro forma earnings of 6 cents a share, beating the two-analyst estimate of four cents and the year-ago 3 cents.

Apex

(APEX) - Get Report

reported first-quarter earnings of 27 cents a share, in line with the five-analyst estimate and up from the year-ago 19 cents. The company attributed the nearly 50% increase in earnings in the latest first quarter to the strength of recently introduced network management and IT products.

Ariba

(ARBA)

posted a second-quarter loss of 6 cents a share, narrower than the two-analyst expected loss of 8 cents a share, and the year-ago 7 cents a share.

Claire's Stores

(CLE)

said disappointing sales will cause it to fall short of the six-analyst estimate of 27 cents for the first quarter. Claire's said it expects to earn 18 cents a share for the quarter.

Electronics for Imaging

(EFII) - Get Report

reported first-quarter earnings of 44 cents a share, better than the eight-analyst estimate of 42 cents and the year-ago 31 cents.

FileNET

posted first-quarter earnings of 18 cents a share, beating the five-analyst estimate of 15 cents and up from the year ago 6 cents a share.

Gasonix

(GSNX)

posted second-quarter earnings of 23 cents, beating the four-analyst estimate of 18 cents and the year ago loss of 30 cents.

Bus company

Laidlaw

(LDW)

announced that it will delay the release of its second-quarter financial results until the end of April. The current four-analyst estimate calls for Laidlaw to come in at eight cents, compared with the year-ago 11 cents.

Redback Networks

TST Recommends

(RBAK)

reported pro forma earnings of five cents a share, ahead of the thirteen-analyst estimate of four cents a share and the year ago loss of four cents a share.

Sawtek

(SAWS)

listed second-quarter earnings of 29 cents a share, in line with the three-analyst estimate and above the year-ago 17 cents.

Seagate Technology

(SEG)

posted pro forma earnings of 20 cents a share, beating the nine-analyst estimate of 15 cents, but down from the year-ago 49 cents.

Teleflex

(TFX) - Get Report

posted first-quarter earnings of 70 cents a share, beating the four-analyst estimate of 67 cents and the year-ago 60 cents.

Three-Five Systems

(TFS)

announced first-quarter earnings of 27 cents, beating the three-analyst estimate of 15 cents and the year-ago loss of seven cents a share.

Offerings and stock actions

MetLife

(MET) - Get Report

said that it has sold an additional 30.3 million shares in an extension of its initial public offering. The insurer, which listed shares on the

NYSE

for the first time last week, sold the extra shares through the over-allotment option granted to its IPO underwriters,

Credit Suisse First Boston

and

Goldman Sachs

.

SciQuest.com

(SQST)

said it plans to withdraw the registration statement it filed with the

Securities and Exchange Commission

for a secondary offering due to current market conditions.

Miscellany

Tyson Foods

(TSN) - Get Report

, the largest U.S. chicken processor, announced that chief executive Wayne Britt is retiring and that his duties will be assumed by chairman John Tyson.

Standard & Poor's

announced that it will replace

Atlantic Richfield

(ARC) - Get Report

with chip-maker

Altera

(ALTR) - Get Report

in its

S&P 500

index.