Asian traders are following through on the big Monday rally in the U.S. In early Tokyo trading, the benchmark Nikkei 225 was up 240.48, or 1.3%, to 19.249.12. Smaller bourses were faring even better, with Taiwan's Taiwan Weighted index up 2.8%, Singapore's Straits Times index up 3.4% and Korea's Kospi up 5.9%.

Elsewhere in the Pacific region, Australia's

All Ordinaries

index was up 2.6% and New Zealand's

NZSE 40

was up 2.1%.

Texas Instruments

(TXN) - Get Report

reported first-quarter earnings of 55 cents a share, above the 27-analyst estimate of 53 cents and the year-ago 34 cents. The company said strong demand for wireless communications chips helped boost net income by 69%. Texas Instruments said it expects robust growth to continue in its semiconductor business, driven by strength in communications end-equipment markets, including wireless and broadband.

For more on Texas Instruments'

earnings, see separate coverage from

TheStreet.com/NYTimes.com

joint newsroom.

Internet advertising giant

DoubleClick

(DCLK)

reported a first-quarter loss of 11 cents a share, in line with the 22-analyst estimate, but wider than the year-ago loss of 6 cents a share. The company posted a net loss of $13.1 million, compared with a loss of $6.1 million a year ago. However, revenues nearly tripled, to $110.1 million compared with $39.4 million in the year-ago period.

The company recently

iced a plan to identify and distribute the names of Web site visitors amid mounting criticism over how some Internet companies gather and use personal information.

For more on DoubleClick's

earnings, see separate coverage from

TheStreet.com/NYTimes.com

joint newsroom.

Go2Net

(GNET)

posted second-quarter pro forma earnings of 18 cents a share, well above the six-analyst estimate of 11 cents and the year-ago 3 cents. The Internet portal said revenues quadrupled and daily viewing of its Web sites nearly tripled.

In other postclose news (

earnings estimates from First Call/Thomson Financial; earnings reported on a diluted basis unless otherwise specified

):

Earnings/revenue reports and previews

Acuson

(ACN) - Get Report

warned it expects first-quarter earnings will fall short of the seven-analyst estimate of 12 cents a share due to late orders from customers. The company said first-quarter earnings will be between 5 cents and 7 cents a share.

Digital Island

(ISLD)

reported a second-quarter loss of 66 cents a share excluding charges. The six-analyst estimate was for a loss of $1.51 a share, while the year-ago loss was $1.28 a share. Including the charge, the company's loss in the most recent quarter was $1.49 a share.

First Data

(FDC) - Get Report

posted first-quarter earnings of 39 cents a share, beating the 11-analyst estimate of 37 cents and the year-ago 32 cents.

IdaCorp

(IDA) - Get Report

, the parent of

Idaho Power

, announced that it expects to surpass estimates for the first-quarter by 10%. The current three-analyst estimate calls for Ida to report 77 cents a share. The company said profits will beat that level even before considering a $14 million pre-tax gain on its sale in February of the

Hermiston Power Project

.

Lone Star Tech

(LSS)

reported first-quarter earnings of 29 cents a share, well above the four-analyst estimate of 21 cents and the year-ago break-even results which the company said were anti-dilutive.

Packaging Corp. of America

(PKG) - Get Report

" posted first-quarter earnings of 22 cents, ahead of the four-analyst estimate of 20 cents and the year-ago pro forma loss of 14 cents a share.

7-Eleven

(SVEV)

said same-store sales rose 9.9% in March.

Southern

(SO) - Get Report

, a holding company for public utility companies, posted first-quarter earnings of 37 cents a share, a penny better than the 13-analyst estimate and up from the year-ago 32 cents a share. The company also said it was proceeding with the expected sale of

Southern Energy

stock to the public.

Mergers, acquisitions and joint ventures

Financial services company

Conseco

(CNC) - Get Report

has agreed to acquire long-term care insurance firm

Associated California State Insurance Agencies

, the third-largest U.S. organization of its type, from

Fortis

, another financial services business. Terms of the deal were not disclosed.

Integrated electronics maker

Sanmina

(SANM) - Get Report

agreed to acquire competitor

Hadco

(HDC)

in a stock swap valued at about $984 million. Sanmina said each share of Hadco stock will be converted into 1.4 shares of Sanmina stock.

Offerings and stock actions

OneSoft

, a McLean, Va.-based company which makes software for online retailers, asked securities regulators to withdraw its planned IPO, citing unfavorable conditions. OneSoft had planned to net about $53.1 million through the sale of 4.5 million shares for $12 to $14 a share.

Miscellany

Wal-Mart

(WMT) - Get Report

said

Cisco

(CSCO) - Get Report

President and CEO John Chambers is expected to join Wal-Mart's board, pending approval by its shareholders.