William Blair on Costco Wholesale (COST): 'no signs of consumer softness here' Apr 9, 2026 08:27AM
William Blair on Costco (COST): 'October Sales Update; Strong Comps Could Suggest a Better-Than-Expected Holiday Against Bearish Investor Sentiment' Nov 6, 2025 04:45AM
William Blair Reiterates Outperform Rating on Costco Wholesale (COST) Jul 10, 2025 07:27AM
Costco's (COST) value proposition supports further market share expansion - William Blair Apr 13, 2023 08:03AM
William Blair Starts Costco Wholesale (COST) at Outperform, 'Efficient Operating Model Well Posi- tioned in an Uncertain Environment' Apr 13, 2023 06:57AM


Oct 5, 2018 09:32AM Pre-Open Movers 10/05: (SGH) (EMKR) (PLX) Higher; (HSGX) (KMPH) (CUTR) Lower (more...)
Jul 29, 2014 10:38AM Notable Analyst Rating Changes 07/29: (COST) (SBH) (PCYC) Upgraded; (STM) (ALL) (ACRX) Downgraded
Jul 24, 2013 11:08AM Notable Analyst Rating Changes 07/24: (FTI) (AAPL) (ST) Upgraded; (BRCM) (SRPT) (PLCM) Downgraded
Mar 5, 2012 03:15PM Costco (COST) volatility low as shares trends higher on upgrade
Mar 5, 2012 11:38AM Costco (COST) Shares Edge Higher as William Blair Upgrades to Outperform
Oct 6, 2011 07:30AM William Blair Downgrades Costco Wholesale (COST) to Market Perform
Sep 21, 2009 10:48AM Notable Analyst Rating Changes 9/21: WFC, NTAP, MAR, SHO, COST, CELG Upgraded; BK, POT, MOS, AMSC, MO Downgraded
Sep 21, 2009 08:03AM William Blair Upgrades Costco (COST) to Outperform
Sep 3, 2009 10:04AM Morning Movers 9/3: UPI, SVA, CRIS, BNVI, ZUMZ, VICL, MEDQ Higher; AMED, INWK, HOV, FDO, VG Lower
Aug 25, 2009 10:43AM Notable Analyst Rating Changes 8/25: GOOG, COST, RTP, LOW Upgraded; BLK, VALE, CEDC, CMM Downgraded
Aug 25, 2009 09:36AM David Moenning's Daily State of the Markets: 8/25
Aug 25, 2009 07:35AM William Blair Upgrades Costco (COST) to Market Perform