** Shares of refiner Phillips 66 PSX.N rise 2.8% to $127.75 premarket
** Company beats Q2 adjusted profit estimates, helped by higher refining margins and lower turnaround expenses
** PSX posts Q2 adjusted earnings of $2.38/share vs est of $1.71/share - data compiled by LSEG
** Company's Q2 realized margin per barrel was up at $11.25, compared with $10.01 a year earlier
** PSX's Q2 turnaround expenses were down at $53 million from $100 million last year
** Up till last close, stock up over 9% YTD