Investors interested in Retail-Wholesale stocks should always be looking to find the best-performing companies in the group. Has Stamps.com been one of those stocks this year? Let's take a closer look at the stock's year-to-date performance to find out.

Stamps.com is one of 212 individual stocks in the Retail-Wholesale sector. Collectively, these companies sit at #12 in the Zacks Sector Rank. The Zacks Sector Rank considers 16 different groups, measuring the average Zacks Rank of the individual stocks within the sector to gauge the strength of each group.

The Zacks Rank is a successful stock-picking model that emphasizes earnings estimates and estimate revisions. The system highlights a number of different stocks that could be poised to outperform the broader market over the next one to three months. STMP is currently sporting a Zacks Rank of #1 (Strong Buy).

Within the past quarter, the Zacks Consensus Estimate for STMP's full-year earnings has moved 291.05% higher. This signals that analyst sentiment is improving and the stock's earnings outlook is more positive.

Based on the latest available data, STMP has gained about 72.49% so far this year. Meanwhile, the Retail-Wholesale sector has returned an average of 0.50% on a year-to-date basis. This means that Stamps.com is performing better than its sector in terms of year-to-date returns.

To break things down more, STMP belongs to the Internet - Commerce industry, a group that includes 28 individual companies and currently sits at #56 in the Zacks Industry Rank. Stocks in this group have gained about 14.73% so far this year, so STMP is performing better this group in terms of year-to-date returns.

Investors in the Retail-Wholesale sector will want to keep a close eye on STMP as it attempts to continue its solid performance.