** Listed British pub operators saw as much as 330 mlnpounds ($516.22 mln) wiped off their market value afterlawmakers unexpectedly voted to give people who lease pubs frombig companies more freedom about where they buy their beer.
** Enterprise Inns falls as much as 17 pct, theworst of the lot, to an 18-month low.
** Punch Taverns, down as much as 9.7 pct said it wasconsidering the potential impact of the amended bill, includingimplications for its pub investment program and disposal plans.
** Green King down as much as 5.2 pct, while Spirit Pub down as much as 14 pct.
** Almost half of Britain's 50,000 pubs are run by tenantsunder "beer-tie" agreements, which mean they buy beer from thefirm that holds their lease at above market prices in return forsubsidised rent or other benefits.
** British Beer and Pub Association said on Tuesday that thevote was "hugely damaging" and could prompt the closure of 1,400more pubs with 7,000 job losses.
(1 US dollar = 0.6393 British pound) (rm://richa.naidu.thomsonreuters.com@reuters.net)