NEW YORK ( TheStreet) -- With the peak holiday shopping season arriving, the next two weeks will offer insight into the health of the retail sector as Wal-Mart ( WMT), Kohl's ( KSS), Nordstrom ( JWN) and Dollar Tree ( DLTR) all report earnings.As the world's largest retailer, Wal-Mart's results, due Thursday before the opening bell, serve as a significant indicator, both into the health of the sector and the American economy as its recovers from The Great Recession. The analyst community is looking for 4% growth in year-over-year earnings to $1.13 for the fiscal third quarter, off by a penny over the last 60 days. Revenues are projected to have jumped by more than 2% to $116.75 billion. For the previous two quarters, Wal-Mart missed the consensus estimates, however. AMZN) and other Internet retailers as it caters to those who pay cash for low cost goods. Dollar Tree had a 9.8% increase in second-quarter earnings with revenue growth of 8.8% from sales of $1.85 billion.