All from III - see below:-

18 May 2012 - Facebook IPO

Whatever your view of one of the biggest IPOs in history, we're celebrating the big day with an exclusive offer for our customers.

Trade all US shares commission free

Whether you're interested in Facebook, or any other US stocks, don't miss out on our commission-free trading offer. This is just one of the price benefits we've been able to introduce since bringing our trading service in-house.

You can take advantage of this free trading offer in your Interactive Investor Investment, ISA or SIPP account.

Terms and conditions - US commission-free trading 18 May 2012

US share purchases and sales executed between 14.30 and 21:15 on Friday 18th May 2012 qualify for commission free trading (normally £10).
Limit orders which execute on this day will qualify for commission free trading.
Limit orders that are placed on the 18th May but execute at any other time will be charged at the standard rate of £10 commission.
US share purchases can be made within your Interactive Investor Investment, ISA or SIPP account.
A currency exchange charge will apply on international trades.
Trading in Facebook is to be confirmed and may not be available on 18th May 2012