Net stocks keep the Street guessing

First they're up, then they're down, and throughout it all Net stocks dominate market activity and captivate dumbfounded analysts. Despite concerns about overvaluation, untested business models, and as-yet-unseen profits, Internet stocks--especially those of portal sites--continue to push new highs and, despite their dramatic shifts, heighten expectations for investment returns.

Net stocks get a reality check Internet issues begin to come back down to earth following yesterday's feeding frenzy, as analysts increasingly fear overvaluation. Yahoo drops just before earnings update The company's shares fall as much as 11 percent on concern that the stock and shares of other Net companies may be overvalued, analysts said. Net stocks continue to skyrocket update Portal sites head into record territory amid positive news and investor expectations that quarterly earnings reports will be strong. Infoseek drops after Go launch update The firm's shares fall as much as 16 percent following its meteoric rise yesterday, following the launch of Infoseek-Disney's Go Network. Broadcast.com sets 2-for-1 stock split The online broadcaster of sports, news, and music, which stunned Wall Street Friday when it jumped as much as 74 percent, issues a 2-for-1 stock split.