LONDON (ShareCast) - (ShareCast News) - Investec (LSE: INVP.L - news ) upgraded shares of Centrica (LSE: CNA.L - news ) to 'buy' from 'hold' and raised its price target to 300p from 250p for two reasons.
In the context of the input sentence, determine the relationship between 'Investec' and 'LONDON'.
Options: distribution format, headquarters location, employer, location of formation