blue chip

1a :  a stock issue of high investment quality that usually pertains to a substantial well-established company and enjoys public confidence in its worth and stability; also :  a company that offers such stocksb :  a business or undertaking with an outstanding record or likelihood of profitability

2 :  one that is outstanding: such asa :  an outstandingly worthwhile or valuable property or assetb :  an athlete rated as excellent or as an excellent prospect