(MONEY Magazine) – Blue-chip stocks made broad gains in the four weeks that ended Dec. 15. Two Sivy 70 stocks rose more than 10%, while none were down that much. ConocoPhillips gained 13.7% as the price of oil turned up and analysts rated the stock, which has a 7.7 P/E, as a bargain. Barry Diller's InterActiveCorprose 14.2%. The online company has joined the S&P 500 and recently launched a new city guide service that is being well received.

NOTES: As of Dec. 15. P/E ratios based on estimated earnings for 2007. Earnings growth is compound annual rate projected for five years by analysts covering the stock. ↑ Up 10% or more for the month. SOURCE: Thomson/Baseline.