(Close): London shares edged higher on Tuesday, extending the strong gains seen in the previous trading session. After surging 2.8% on Monday, the FTSE 100 index closed up 27.2 points, or 0.43%, at 6,326.2.
Banks and other financial companies will be forced to tell their staff how to blow the whistle on bad behaviour from next year as part of the regulators' attempts to clean up the industry following several mis-selling and trading scandals.
Tesco has announced plans to slash payment terms for smaller suppliers by half, to help usher in a new era of transparency and fairness at the supermarket giant.
UK fraud prosecutors are weighing whether to resolve a year-long criminal investigation into alleged accounting irregularities at Tesco with a US-style plea deal.
Engineering giant Rolls-Royce has announced it will slash another 400 jobs as part of a restructure in its marine business. The news follows the group's decision to cut 600 jobs in the division worldwide, which was announced in May.