Updated from 12:06 p.m. ET to include analyst comment.NEW YORK ( TheStreet) -- Shares of Wynn Resorts ( WYNN) surged Friday after the gaming company incorrectly filed a Form 8-K with the Securities and Exchange Commission on Friday that claimed it had received approval to build a Macau casino. The company acknowledged the mistake in a subsequent filing but the shares are still in rally mode, gaining 5.6% to $128.88 in afternoon action. Earlier in the session, the stock ran as high as $132.59. Volume is at nearly 12 million for the day, more than four times the issue's trailing three-month daily average churn of 2.6 million. "A Current Report regarding the gazetting of the Cotai Land Concession Contract on Form 8-K (the "Land Concession 8-K") was filed by mistake by the Company's agent," Wynn said in its follow-up filing. "The filing was not authorized by the Company. The Cotai Land Concession Contract has not been gazetted. The purpose of this filing is to retract the Land Concession 8-K in its entirety. The S&P 500 was off 6.4 points in recent action to 1368.