NASDAQ:COST 2 December 2025 - 11 December 2025

Costco shares closed at $874.41 on December 10, down 1.58% and near 2025 lows, before ticking up slightly after hours. The company reports fiscal Q1 2026 earnings after Thursday’s close, as Wall Street watches for signs of slowing U.S. sales and awaits a Supreme Court tariff ruling. Costco’s stock is negative for 2025, trading at about 48 times trailing earnings. Consensus expects Q1 revenue near $67.1 billion and EPS around $4.26.

Costco reported November net sales of $23.64 billion, up 8.1% year over year, with comparable sales rising 6.9%. Shares closed Friday at $894.68, down 2.2% for 2025, underperforming the S&P 500. Investors remain wary amid slowing multi-year U.S. growth and a new lawsuit against the Trump administration.

Costco shares fell 2.9% on December 4, turning negative for 2025 despite reporting November net sales of $23.64 billion, up 8.1% year-over-year. The stock trades near $894.68, close to its 52-week low, as investors weigh solid sales against signs of slowing growth and a high valuation. U.S. comparable sales growth and store traffic both eased in November.

Costco shares fell 2.9% to $896 in late trading December 4, pushing year-to-date performance slightly negative despite strong November and Q1 sales. Investors cited slowing U.S. sales growth, high valuation, and legal headlines. Market cap stands near $400 billion with a P/E ratio around 50. Former Commerce Secretary Gina Raimondo was nominated to the board.