AstraZeneca rises after launching $1.5 billion annual savings plan
** Shares of AstraZeneca AZN.L up 2.6% at 13,390 p, stock among top three gainers on FTSE 100 .FTSE
** AstraZeneca launches $1.5 billion annual savings plan to invest in drug pipeline
** YTD, stock has fallen ~5% so far this year