Stocks ended with modest gains Friday, as a fiscal meeting between the president and legislators ended amid hopes for progress. The Nasdaq rose 0.6%. The S&P 500 added 0.5%. The Dow Jones industrial average, weighed by Dell's big loss, rose just 0.4%. Volume increased smartly on both major exchanges. With all eyes on the fiscal cliff negotiations, the market seemed relieved when the first meeting between President Obama and leaders of the House