Updated from 12:55 p.m. EDT

Investors who didn't bail out of their airline and technology shares last week are seeing some of their losses retraced Monday.

Airlines

Airlines were pounded most of last week, then rebounded Friday as hopes surfaced for a bailout package. They were higher again, with AMR ( AMR), the parent of American Airlines and TWA, up 2.2% to $18.30. Delta Air Lines ( DAL) also was a big winner, up 6.8% to $23.99. UAL ( UAL), the holding company for United Airlines, rose 5.4% to $18.06, while Northwest ( NWAC) gained 5.4% to $11.01.

Continental ( CAL) jumped 5.8% to $15.51, while US Airways ( U) rocketed 15.2% to $5.24. Southwest ( LUV) was up 1.1% to $13.75.

Technology

Investors were also putting their money back into tech on Monday. Dell ( DELL) rose 11.9% to $18.60, while Microsoft ( MSFT), gained 4.6% to $52.01. Oracle ( ORCL) jumped 16.4% to $12.52, and Cisco ( CSCO) was up 3.9% to $12.56. Sun Microsystems ( SUNW) rose 9.7% to $8.73, and Intel ( INTC) gained 10.1% to $21.25.

Aerospace & Defense

Defense contractors closed lower. Raytheon ( RTN) was down 2.8%, while Northrop Grumman ( NOC) lost 1.7%, and Lockheed Martin ( LMT) was off 0.5%.

Brokerages

Brokerage stocks fought back Monday. Morgan Stanley ( MWD) gained 6.2% to $42.55, while Goldman Sachs ( GS) was up 4.2% to $70.51. Merrill Lynch ( MER) rose 3% to $38.77, while Lehman Brothers ( LEH) jumped 8.5% to $51.55. Charles Schwab ( SCH) was also in positive territory, rising 7.4% to $10.20.

Banks & Insurers

Bank of America ( BAC) was up 4.6% to $53.35, while Citigroup ( C) gained 7.3% to $39. American Express ( AXP) rose 7.4% to $27.51.

Insurer American International Group ( AIG) gained 5.9% to $71, and XL Capital ( XL) was up 9.7% to $68.03. ACE ( ACE) was up 16% to $23.76.

Basic Materials

The basic material stocks were generally up, with companies such as DuPont ( DD), up 7.1% and paper products company Westvaco ( W), up 6.6%. Georgia-Pacific ( GP) rose 6.4% to $28.30, and Allegheny Technologies ( ATI) gained 4.5% to $13.79.

Retailers

Retailers were generally up on Monday despite some analyst downgrades and concerns about consumer confidence. Retailers Wal-Mart ( WMT) rose 5.9% to $47.28, while Kmart ( KM) was up 6%. Home Depot ( HD) jumped 8.8% to $36.01.

Apparel retailer Gap ( GPS) was up 9.1% to $12.46, and Federated Department Stores ( FD) was up 4.9%. Sears ( S) rose 9.4%, and online retailer Amazon.com ( AMZN) posted a loss of 0.3%. Bookseller Barnes & Noble ( BKS) was up 8.6% to $36.45.

Media Stocks

Media stocks were trending higher as well. AOL Time Warner ( AOL) was up 8.9% to $32.50, while newspaper publisher Tribune ( TRB) climbed 2.1%. Knight Ridder ( KRI) was up 4.3%, and Gannett ( GCI) gained 2.6%.

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