Trading activity remained concentrated in equity indices, with warrants dominating the market, shows report.

Bolsas y Mercados Españoles (BME), the operator of Spain's primary stock exchanges, reported €34.6m (US$40.5 million) in traded volume in its structured products market for March, alongside 6,984 trades last month, according to its latest report.  Equity indices continued to dominate trading activity The report also indicated that the exchange recorded 4,237 tradable instruments and 2,415 listings so far this year. Equity indices continued to dominate trading activity. The