(For a Reuters live blog on U.S., UK and European stock markets, click LIVE/ or type LIVE/ in a news window) * FTSE 100 up 0.6%, FTSE 250 adds 0.7% Sept 29 (Reuters) - London’s FTSE 100 rose on Wednesday, driven by financial and healthcare stocks, while clothing retailer Next topped the blue-chip index after raising its annual profit outlook. The blue-chip FTSE 100 index gained 0.6% by 0805 GMT as heavyweight banks tracked bond yields higher and Astrazeneca boosted health stocks. HSBC Holdings advanced 1.5% and led the banking sub-index higher, while Investec, Natwest Group and Lloyds rose between 0.3% and 0.7%. AstraZeneca rose 2.5% after the pharmaceutical company said its newly acquired Alexion division would buy the remaining equity in drugmaker Caelum Biosciences in a deal that could be worth up to $500 million. The domestically focussed mid-cap index advanced 0.7%, with travel and leisure stocks among the top gainers. In company news, clothing retailer Next Plc rose 3.6% after raising its full-year profit guidance. Upper Crust owner SSP Group fell 1.4% over a slow recovery as sales remained at half of the pre-pandemic levels. (Reporting by Bansari Mayur Kamdar; Editing by Subhranshu Sahu)