Citigroup Upgrades ASML Holding To Buy By: Benzinga via Benzinga April 16, 2015 at 08:56 AM EDT Citigroup upgraded ASML Holding NV (ADR) (NASDAQ: ASML) from Neutral to Buy. ASML Holding shares have gained 17.75% over the past 52 ... Read More >> Related Stocks: Asml Holdings NY Reg ADR