BUZZ-Cobham: rallies off YTD lows after upgrade at JP Morgan
** British engineer Cobham (Other OTC: CBHMY - news) rises 1.8 pct after upgrade to "overweight" from "neutral" by JP Morgan
** Broker looking to play mean reversion after heavy YTD underperformance
** Trades on fwd P/E of 11.8x v 15x for aerospace peer group
** Co among the top risers on FTSE 250 midcap index
** Stock off YTD lows but still down 18 pct in 2015
** Of the 19 analysts covering the company, 12 have a "hold" rating, 4 rate it a "strong buy", 1 rate it a "buy" while remaining two have a "sell" and "strong sell" rating each (RM (LSE: RM.L - news) : aastha.agnihotri.thomsonreuters.com@reuters.net)