ON Semiconductor Corp (NASDAQ:ON) stock is down 5.1% to trade at a two-year low of 48.55atlastcheck,afterthe chipconcern missedtop−andbottom−lineestimatesforthefourthquarterandissuedadismalfiscalfirst−quarterforecast.Thecompanyattributedthelacklusterresultsandoutlooktoweakerdemandfromautomakers.ONcarriesa39.750 level, after failing to conquer its 20-day moving average in the previous session. Shares a ...