** Shares of carrier Alaska Air Group ALK.N fall 2.3% to $42.56 in pre-market trading
** Co withdraws FY profit forecast, citing a sharp rise in jet fuel stemming from the Iran conflict, pressuring margins and clouding the outlook
** Airline expects Q2 fuel bill to bloat by about $600 mln, equivalent to a profit per share headwind of $3.60
** ALK posts Q1 adj loss of $1.68/shr, bigger than expected $1.35/shr - data compiled by LSEG
** Q1 revenue, however, largely in-line with Wall Street estimates
** ALK shares have fallen 13.4% YTD vs a 3.9% rise in the S&P 500 .SPX until last close
(Reporting by Purvi Agarwal in Bengaluru)
((Purvi.Agarwal@thomsonreuters.com;))