Mercury Systems rises after J.P.Morgan lifts rating to 'overweight'
** Aerospace and defense firm Mercury Systems MRCY.O shares up about 4% at $86.68 premarket
** J.P.Morgan upgrades rating to "overweight" from "neutral"; however, cuts price target to $102 from $110
** New PT still shows an upside of 22% from the stock's last close
** Brokerage expects co to sustain strong profitability and expand margins as higher-margin programs mature
** Adds backlog strength supporting sustained double-digit revenue growth, driven by demand for missile, radar and electronic warfare programs
** J.P.Morgan expects co's 2027 adjusted EPS at $2.05/share from prior forecast of $1.65/share
** 11 of 13 brokerages rate the stock "buy" or higher, 1 "hold" and 1 "sell"; their median PT is $115 - data compiled by LSEG
** As of last close, stock had risen 14.5% YTD