** Oil producer Genel's shares down 6.5 pct at407.36 pence, coming off 3-day rally
** Traders and analysts flagged co's cash burn as cause forconcern, pending start of regular payments from KurdistanRegional Government (KRG) for its crude oil
** Co reported nil operating cash flow and $211.6 mln infree cash outflow for H1
** Co operates in Iraqi Kurdistan and is owed nearly $378million by the KRG
** KRG said on Monday that it will begin making exportpayments from September, which caused a surge in shares of oilproducers in the country
** Shares of peers Gulf Keystone Petroleum and DNOASA down 3.8 pct
** Genel and DNO among top losers on STOXX Europe small capindex (abhiram.nandakumar.thomsonreuters.com@reuters.net)