Banks have been warned by groups representing women in the City to expect a 'deluge' of sex discrimination claims of the kind brought last week by star analyst Louise Barton [who brought a claim against her former employer Investec Henderson Crosthwaite]...Barton's claim comes soon after Julie Bower, another high-flying analyst, won a record £1.4m payout from Schroder Securities after taking the firm to an employment tribunal for sex discrimination and unfair dismissal.