FTSE 100 logs first monthly gain in three; AstraZeneca jumps

London's FTSE 100 logged ​its first monthly gain in three ​months, edging up on Friday ‌due ​to a boost from AstraZeneca, with investors welcoming a budget that was softer than expected on taxes.

The blue-chip FTSE 100 ‌index ended about 0.1% higher at 10,729.78 points, rising over1% in October. The midcap FTSE 250 slipped nearly 1% on the day. Here are more details: