You missed a key word, the press release said he intends to do it, but it hasn't materialized yet. That's what the article writer was refering too.
Quote from freehouse:
First of all, the stock was up yesterday over Mr. Kerkorianâs tender price of $31 after it traded some 60 million shares, nearly six times the normal recent volume (one funny thing is that so far we havenât actually seen a tender offer from Mr. Kerkorian, just the rumor of one).
What BS. Then I wonder what this press release is all about:
LOS ANGELES--(BUSINESS WIRE)--May 4, 2005--Tracinda Corporation today announced that it intends to make a cash tender offer
Obviously, there was a press release issued that Uncle Kirk was going to buy stock through a tender offer. Does not look like a rumour to me.