Upbeat earnings boosted the markets further into record territory with the Dow gaining 48 points to 15,105. Nasdaq climbed 16 points to 3413.

On the upside

Trulia (NYSE: TRLA) will pay a premium of approximately $11.33 per share to acquire Market Leader (Nasdaq: LEDR).

Walter Energy (NYSE: WLT) began trading ex-dividend today but the stock price soared.

IAMGOLD (NYSE: IAG) reported sharply lower first quarter earnings but the results were better than expected.

On the downside

Isis Pharmaceuticals (Nasdaq: ISIS) narrowed losses for the first quarter but the stock price fell after announcing a public offering of 9 million common shares.

Resolute Energy (NYSE: REN) will offer 13.25 million shares of common stock.

AOL (Nasdaq: JAZZ) reported higher first quarter earnings but the results fell short of expectations.

In the broad market, advancing issues outpaced decliners by a margin of nearly 7 to 3 on the NYSE and by more than 9 to 7 on Nasdaq. The broader S&P 500 index gained 6 points to close at a record 1632.