Such deals have become politically toxic in America, but the White House denied that the new regulations were intended specifically to scupper the Pfizer-Allergan deal.
These include the possible introduction of a financial-transaction tax, which might scupper its ability to offer free trading and deter customers from trading every day.
Glencore, a Swiss-based commodities giant, scuppered Tech's vision with an unsolicited proposal to merge the firms and share their amalgamated coal business instead.
Glencore, a Swiss-based commodities giant, scuppered Tech's vision with an unsolicited proposal to merge the firms and shed their amalgamated coal business instead.