** Shares of headphone maker Koss Corp KOSS.O jump 12.6%
to a three-month high of $21.60 in premarket trade
** Extending gains from a 25% surge on Tuesday after Patent
Trial and Appeal Board declined to institute a review of Apple
Inc's AAPL.O two patent challenge against co
** KOSS annual shareholder meeting is scheduled to begin at
9:00 a.m. ET on Wednesday
** There is renewed surge in interest in the stock from the
retail crowd after a week of quiet trading
** Among other meme darlings, alternative energy provider
Plug Power PLUG.O jumps 7% on a partnership with Airbus to
study the feasibility of green hydrogen in future aircrafts and
airports urn:newsml:reuters.com:*:nGNE8HtbFM
** Medical diagnostics co Progenity Inc PROG.O climbs 8.1%
after United States Patent and Trademark Office issues four
patents related to its ingestible technologies for delivery of
therapeutics urn:newsml:reuters.com:*:nGNX1VQ5nF
** Social media co DatChat Inc DATS.O rises 4.1%, while
e-commerce firm Vinco Ventures Inc BBIG.O gains 5.0%
urn:newsml:reuters.com:*:nL4N2R92C3
(Reporting by Medha Singh)
((medha.singh@thomsonreuters.com))