News Summary: Sluggish signs nudge stocks down

STILL SLUGGISH: A batch of worrying economic figures tugged stocks slightly lower Thursday. The government gave investors another reminder that the job market remains weak.

RAIL WARNING: The railroad company Norfolk Southern said late Thursday that falling coal prices and a drop in shipments will likely drag down earnings. That followed a warning from FedEx this week that global trade has slumped to recession levels.

BIG DEBUT: The real-estate website Trulia soared 41 percent in its first day of trading. Trulia priced its initial public offering at $17 on Wednesday, raising $102 million. Trulia's stock closed at an even $24.