** Intertek bounces after heavy losses sustained onoil price plunge as UBS talks up possibility of co as M&A prey
** Intertek, the most heavily exposed to oil & gas of itspeers, has lost a quarter of its value since mid-May peak;contrasts with respective drops of 19 pct & 9 pct at BureauVeritas & SGS over period
** UBS says a combined Intertek/SGS would diversify Intertekand get SGS the North America & oil & gas exposure it views asattractive in the long-term
** Potential interest from SGS mooted in press in 2009 http://bit.ly/1yvrrDL
** UBS says such a deal could lift Intertek 200-600p abovebroker's 2,600p PT
** Intertek second-busiest UK blue-chip stock, with all ofdaily avg volume gone through; SGS traded more than two thirds
** UBS moves rating on Intertek to "buy" for 1st time since2009
** Deutsche Bank also upgrades recommendation to "buy"; saysmuch of likely oil & gas exposure weakness now priced (RM: tricia.wright1.thomsonreuters.com@reuters.net)