So far, Costco stock has outperformed the broader markets by a wide margin. Costco shares have risen about 46% on a YTD basis as of Wednesday.
Target has just announced a partnership with Toys R Us parent company Tru Kids Brands to manage online sales and order fulfillment.
Walmart stock has risen 27.1% and Target stock is up 62.6% YTD through September 24. Same-day fulfillment and delivery services have pushed their growth.
On Wednesday, the Dow Jones Index's outperformance was mainly due to an increase in two of its high-weighted stocks—Boeing (BA) and Apple (AAPL).