Wells Fargo lowers stake in Glaukos By: MarketMinute.com Stock News March 23, 2018 at 18:31 PM EDT Wells Fargo decreased its stake in Glaukos Corp. (NYSE: GKOS) by nearly 74%. Shares of the ophthalmic medical technology and pharmaceutical company plunged $4.74 to close at $29.61. Related Stocks: Glaukos Corp