‘Risk off’ prevails as economy fears rise

Silver hits 4-year low as commodities slide

Tesco leads London’s FTSE 100 lower

Miners add weight to losses for blue-chip index

LME opens its first clearing house

Cements London’s position as one of world’s main clearing centres

Bats to launch ETF reporting service

Exchange to create tape of record for OTC instruments

Finra shines light into dark pools

Agency seeks higher levels of transparency and disclosure

Mexico’s oil hedging deal exposed

Public disclosure of large options trade sets oil traders talking