Macquarie boosts FireFly Metals target as copper resources rise 43%

** Brokerage Macquarie bullish on Australian copper-gold miner FireFly Metals after an updated mineral resource estimate (MRE)** Co says MRE shows a 43% increase in contained copper at its Green Bay project** Macquarie sees the larger resource supporting expanded mining project** Says potentially doubling annual copper output to 60,000 metric tons, up from 32,000 tons** Brokerage upgrades FFM price target on FireFly by 35% to A$2.30, citing valuation increases driven by the expanded base case** Shares have added 83.78% year-to-date as of the last close