Wall St edges up in quiet session

US stocks ended with slight gains on Tuesday, with the Nasdaq eking out another record close while investors continued to await clarity on whether Greece could reach a deal to prevent defaulting on its loans. The Dow Jones industrial average rose 24.29 points, or 0.13 per cent, to 18,144.07, the S&P 500 gained 1.35 points, or 0.06 per cent, to 2,124.2 and the Nasdaq Composite added 6.12 points, or 0.12 per cent, to 5,160.10. The Nasdaq ended at a record while the S&P 500 closed 0.3 per cent below its own record. Advancing issues outnumbered declining ones on the NYSE by 1,772 to 1,276, for a 1.39-to-1 ratio on the upside; on the Nasdaq, 1,567 issues rose and 1,203 fell for a 1.30-to-1 ratio favoring advancers. The S&P 500 posted 43 new 52-week highs and 2 new lows; the Nasdaq Composite recorded 180 new highs and 23 new lows. About 5.4 billion shares traded on all US platforms, according to Reuters.