** Shares of retail trading favorite AMC Entertainment
Holdings Inc AMC.N up 6.4% at $47.10 premarket
** Meme stocks surged in day trading late on Monday, on no
apparent news, costing short sellers over $1 bln in losses
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** Some of the meme stocks rise further premarket, with Koss
Corp KOSS.O up 5.2%, GameStop Corp GME.N up 1.8%, while
Clover Health Investments Corp CLOV.O down 0.5%, ContextLogic
Inc WISH.O down 0.6%, Robinhood Markets Inc HOOD.O down 0.7%
** Virgin Galactic Holdings Inc SPCE.N up 2.1%,
U.S.-listed shares of BlackBerry Ltd BB.N up 3.3%
(Reporting by Ruhi Soni in Bengaluru;)
((Ruhi.Soni@thomsonreuters.com;))