This Week on TSC: Sector Spotlight

This week's sector is online brokerages.
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Each week,

TheStreet.com

takes an in-depth look at a particular market sector.

Sector Spotlight

shines a light on the issues that face the companies in that industry and how they affect valuations. What new technology is on the horizon? Who's winning the big contracts? How will changes in the economic climate affect this sector? Each week, a TSC industry expert will answer these questions and more.

This Week in Sector Spotlight

Caroline Humer takes a look at the

online brokerages, which have suffered in the wake of recent market volatility and resultant falling volumes.

Previously in Sector Spotlight

Scott Moritz looks at the

long distance phone business.

Tom Lepri examines the

semiconductor industry's up-and-down ride.

Tally Goldstein explores the intense competition to develop

wireless Internet services.

George Mannes endeavors to answer the question of whether

free Internet service is viable for providers.