Click to view a price quote on TWTR. : The retail-driven investor frenzy that spurred wild gains - and losses - in everything from GameStop  (GME) - Get Report and AMC Entertainment  (AMC) - Get Report to silver and upended Wall Street continued on Tuesday, with GameStop alone plunging more than 60%. Shares of GameStop, AMC, Express  (EXPR) - Get Report and other companies caught up in the David-vs.-Goliath battle between retail investors collaborating on Reddit message board WallStreetBets and betting against short positions held by hedge funds and other large investors all declined on Tuesday, alongside the price of silver.