European stocks traded cautiously higher early Wednesday, amid an earnings deluge, but supported by gains for oil stocks. The Stoxx Europe 600 index opened flat, while the German DAX 30 index /zigman2/quotes/210597999/delayed DX:DAX -1.09% rose 0.4% and the FTSE 100 index /zigman2/quotes/210598409/delayed UK:UKX +0.34% added 0.3%. The Federal Reserve concludes its meeting Wednesday, while the European Central Bank will meet Thursday. Investors expect central bank to continue to offer verbal support to markets, though concrete measures aren't widely expected, given the big moves seen in recent weeks. After British Airways said it would cut up to 12,000 jobs, shares of International Consolidated Airlines Group /zigman2/quotes/208070069/delayed UK:IAG -0.63% slid over 4%. Airbus SE /zigman2/quotes/208224336/delayed FR:AIR +0.62% shares rose 2% after the aircraft maker posted a net loss and falling revenue. Deutsche Bank /zigman2/quotes/203042512/composite DB -1.36% /zigman2/quotes/205584254/delayed DE:DBK -2.78% gained 2.9% and Barclays PLC /zigman2/quotes/208409333/delayed UK:BARC -1.42% climbed 5%, as each reported results.