Steel Dynamics, Nucor fall on weaker-than-expected Q3 earnings forecast
STLD•Premarket moves after Q3 guidance
** Shares of US steel makers Steel Dynamics STLD.O and Nucor NUE.N fall premarket
** Steel Dynamics down 1.8% at $241, while Nucor dips 2% to $260.37
** On Thursday, STLD forecast Q3 earnings between $5.34 and $5.38 per share, vs analysts' estimate of $5.50 - data compiled by LSEG
** Nucor forecasts Q3 earnings in the range of $5.55 to $5.65 per share, while analysts expect $5.89
** As of last close, STLD up 44.8% and NUE up 62.6% YTD
