YPF's
stock
has
shed
about
27%
since
the
start
of
the
year,
hurt
by
media
reports
saying
the
government
will
either
expropriate
or
buy
a
controlling
stake
in
the
company,
which
is
majority
owned
by
Spain's
Repsol,
Reuters
reported.
Some
local
media
say
President
Cristina
Fernandez
will
make
an
announcement
on
Thursday
evening
regarding
YPF's
future,
but
government
officials
did
not
confirm
this.
The
company
has
come
under
fierce
state
pressure
to
increase
oil
and
gas
production
as
costly
fuel
imports
eat
into
Argentina's
trade
surplus.
Fernandez
nationalized
private
pension
funds
and
the…
