Akamai Technologies (AKAM) - Get Report was up 3.9% in midafternoon trading after Lehman Brothers named it a best bet in the Internet infrastructure sector because of its long-term potential.

Also cited favorably by Lehman were

Exodus Communications

( EXDS) and

Digex

(DIGX)

. Exodus was down 8.1%, and Digex was up 1.8%. Lehman said, "a large and growing market, recurring revenue stream, high margins and low capital intensity lead us to believe these are good business models."