Stein Mart Inc. SMRT, -1.23% stock soared 45% in Tuesday trading after the off-price retailer announced that it will install Amazon.com Inc.'s AMZN, +0.66% Hub Lockers in nearly 200 stores in 28 states. Amazon Lockers are found in various locations nationwide, including Whole Foods Market. Amazon has also partnered with Kohl's Corp. KSS, -1.53% for the Amazon Returns program, which is rolling out this summer. Stein Mart stock is up 28% for the year to date while the S&P 500 index SPX, +0.29% is up 14.2% for the period.