State-controlled
CNOOC
Ltd
launched
one
of
China's
richest
takeover
bids
yet
by
agreeing
to
buy
Nexen
for
$15.1
billion.
All
told,
the
bets
in
question
would
have
reaped
a
windfall
of
more
than
$30
million
in
paper
profits,
Reuters
quoted
Trade
Alert
President
Henry
Schwartz
as
saying.
"It
appears
that
the
news
may
have
been
leaked
ahead
of
time,"
Schwartz
told
the
news
wire.
"The
size
and
large
block
combination
trades
are
certain
to
be
scrutinised
by
US
securities
regulators."
The
US
Securities
and
Exchange
Commission,
which
looks
into
unusual
stock
and
options
activity,
declined
to
comment,
Reuters
said.
The
activity…
