By Sruthi Shankar (Reuters) -The UK’s main stock indexes closed down on Tuesday as miners dragged blue chips lower, while shares of Jupiter Fund Management sank nearly 15%, knocked by outflows and exit of a star manager. The British fund firm’s stock had fallen as much as 19.7% to touch an intraday record low after it flagged more-than-expected net outflows of 2.2 billion pounds ($2.8 billion) in 2023 and the departure of manager Ben Whitmore this summer. The stock was the biggest faller on the FTSE 250 midcap index, which was down 0.5%. The blue-chip FTSE index slipped 0.1%, mirroring a downb…