Amid good news from names such as Conolog ( CNLG), small-cap stocks generally traded in line with the Nasdaq, Friday's best performing major index.

Shares of Conolog catapulted 71.6% to $2.78 on word it will accelerate the delivery of 40 signal-processing systems on or before December at the request of Midwest and Northeast utility customers.

Trump Entertainment Resorts also had a quick rise after The Star-Ledger of Newark, N.J., said that Cordish, a real-estate and entertainment-business conglomerate, is looking to buy out the Atlantic City, N.J., casino operator. The paper cited people familiar with the discussions. Shares shot up 18.3% to $8.27.

Elsewhere, Map Pharmaceuticals surged 11.3% to $13.35 after its initial public offering. The Mountain View, Calif., company priced 5 million shares at $12 apiece, along with an underwriters' option for up to another 750,000 shares to cover any overallotments.

Among the small-cap losers was Saba Software ( SABA), shares of which lost 7.2% to $4.57 after the Redwood Shores, Calif., company predicted fiscal-second-quarter income of between breakeven and 3 cents a share -- at least 2 cents shy of Thomson Financial's analyst estimates.

Saba's first-quarter bottom line topped expectations by a penny.

Medifast ( MED - Get Report), which makes weight- and disease-management products, dropped 7% to $5.70 after slashing its 2007 EPS guidance by at least 12 cents to between 31 cents and 33 cents. The Owings Mills, Md., company also lowered its sales forecast to between $81 million and $83 million from the prior $85 million to $88 million.