By Steve Goldstein, MarketWatch
European stocks on Tuesday floundered for direction, though oil producers remained well bid as oil futures held onto a lion's share of the advance after the attack in Saudi Arabia.
The Stoxx Europe 600 weakened 0.12% to 389.06, with banks, insurers and metals producers losing ground.
Oil producers including Total and BP however advanced, as Brent crude fell only slightly following the biggest one-day gain on record.
The German DAX dropped 0.13% to 12363.78, the French CAC 40 rose 0.12% to 5608.94 and the U.K. FTSE 100 rose 0.14% to 7331.62.
Traders were still looking for further clues as to what happened in Saudi Arabia -- and whether the country blames fellow OPEC member Iran, as U.S. officials have done. The Federal Reserve meanwhile starts its two-day meeting.
With a host of U.S. economic data on tap, the ZEW indicator of economic sentiment in Germany rose 21.6 points to a -22.5 reading in September. Economists polled by FactSet had forecast a reading of -37.9.
Of companies in the spotlight, investors soured on Husqvarana's (HUSQ-B.SK) capital markets day, in which the chainsaw and lawn mower maker fell over 5% as it set out targets for sales growth between 4% and 5% on operating margins above 10%. The company's operating margin, adjusted for comparability, was 8.9% over the 12 months ending June.
European e-commerce company Zalando slumped after Swedish investment firm Kinnevik (KINV-B.SK) said it sold a 5.2% stake.