Hatch
says
the
price
of
neodymium,
the
key
rare
metal
used
in
producing
the
magnets,
has
gone
up
by
a
factor
of
ten
over
the
past
12
months,
while
the
magnets
have
risen
from
about
$40-$50
per
kg
to
$250-300.
Neodymium
price
rises
have
been
higher
outside
China,
but
even
in
the
Asian
giant,
where
supplies
are
currently
mined
they
have
increased
sharply
since
the
beginning
of
February
—
and
magnet
prices
have
also
shot
up.
Crucially,
the
availability
of
magnets
has
deteriorated,
and
lead
times
have
gone
up
from
eight
to
12…
