The Ibex-35 opened higher on Wednesday after surpassing the 10,000-point barrier in the previous session, a level it had not reached since February 2020, when the COVID-19 pandemic was declared.

The markets' attention for the day will be on revised US Q3 GDP figures, due at 1330 GMT, and key PCE data--the Fed's preferred inflation gauge--to be released on Thursday.

Markets were also reacting to comments from Fed Governor Christopher Waller, an influential and hitherto hard-line voice at the US central bank, who said on Tuesday that rate cuts could begin within months, provided inflation continues to ease.

"We will see the ability of demand to sustain this level, since, historically it has behaved as a 'hard' and psychological resistance for the market," said Diego Morin, an analyst at IG, in a daily report.

At 0809 GMT on Wednesday, Spain's selective Ibex-35 stock market index was up 34.90 points, or 0.35%, to 10,038.30 points, while the FTSE Eurofirst 300 index of large European stocks was up 0.02%.

In the banking sector, Santander lost 0.34%, BBVA gained 0.09%, Caixabank advanced 0.41%, Sabadell gained 0.04%, Bankinter lost 0.18%, and Unicaja Banco rose 0.48%.

Among the large non-financial stocks, Telefónica gained 0.31%, Inditex advanced 0.05%, Iberdrola gained 0.49%, Cellnex gained 1.33%, and the oil company Repsol lost 0.49%.

(Information by Benjamín Mejías Valencia; edited by Matteo Allievi)