Costco Wholesale (COST) entrenched itself back in the Green Favored Zone of the SIA S&P 100 Index on September 26th, 2023 at a price of $552.96 and the current price of $856.84 represents a +54.9% price increase in a little over 9 months time vs. +32.7% on the S&P 100 Index posting almost double the increase in the index benchmark. Yesterday, COST finished in 6th position, up 3 spots on the month and up 4 places in the last quarter.