** Shares of U.S. rail equipment supplier Wabtec WAB.N rise 4.5% to $275.4 premarket

** Stock set to open at its highest in over three-weeks, if gains hold

** WAB raises FY adj. EPS forecast to $10.6-$10.9 from $10.25-$10.65 prior view

** Sees annual revenue of $12.3 bln to $12.6 bln, compared with previous forecast of $12.19 bln to $12.49 bln

** Posts Q2 adj. EPS of $2.76 and revenue of $3.18 bln, both beating analysts' consensus estimates, per data compiled by LSEG

** Total backlog stands at $30.9 bln as of June 30, up nearly 42% YoY

** Nine out of 13 brokerages rate the stock "buy" or higher and four rate it "hold"; median PT is $304

** As of last close, stock has risen 23.5% YTD compared to a 9.7% increase in the S&P 500 .SPX