** Shares in Standard Life up 1.5 pct, 4th-largestgainer on the FTSE 100, after Deutsche Bank raises to"buy", keeps 435p PT
** Deutsche analysts say outlook uncertain in the next fewmonths for life insurance sector, pointing to volatility inworld markets, solvency II, UK pension reform and fears ofBrexit
** Standard Life remains one of the best placed of all theUK life assurers in terms of future growth, analysts say
** Analysts also cut ratings on Prudential and StJames's Place to "hold" from "buy"; both stocks amongtop losers on the FTSE 100 - Prudential down 1.5 pct, St James'sdown 1.3 pct
** DB estimates earnings growth at Prudential slowing to 7pct per year over next three years, adds it is exposed tohighest amount of uncertainty (venkateshasoumithri.mamidipudi.thomsonreuters.com@reuters.net)