ROST closed at $234.83, up 1.85 percent, outperforming the S&P 500's 0.33 percent gain, the Dow's 1.08 percent rise, and the Nasdaq's 0.08 percent advance.

Over one month, Ross Stores climbed 2.57 percent, beating the Retail-Wholesale sector's 0.37 percent gain and the S&P 500's 1.41 percent advance.

Analysts project Ross will report next-quarter earnings of $1.82 per share, up 15.19 percent year-over-year, on revenue of $6.2 billion, a 10.68 percent increase. For the full year, Zacks Consensus Estimates forecast earnings of $8.77 per share, up 32.68 percent, on revenue of $25.65 billion, up 12.76 percent.

The stock holds a Zacks Rank of #1 (Strong Buy). Historically, #1 ranked stocks have delivered an average annual return of 25 percent since 1988.

Rost trades at a forward P/E of 26.28, above the Retail-Discount Stores industry average of 22.09. Its PEG ratio of 1.8 matches the sector average. The Retail-Discount Stores industry ranks #5 among over 250 industries tracked by Zacks, placing it in the top 3 percent.