Investors holding onto stock despite high P/E ratio may face disappointment if it falls to levels aligning with growth outlook. Predicted future earnings may not sustain current positive sentiment, risking shareholders' investments and potential investors paying excessive premium.

The market sentiment around Sterling Infrastructure hasn't changed much over the past five years, with the share price largely reflecting the EPS growth. The recent improvement in total shareholder return could indicate that the business is getting better with time.

Despite Sterling Infrastructure's high P/E ratio, investor confidence stems from its strong earnings growth and market outperformance expectations. It’s believed the risk of earnings deterioration is minimal currently.

Wall Street's average ratings: 'Strong Buy' for Ryanair, 'Buy' for TransDigm, Stantec, Symbotic, and Sterling Infrastructure. 'Hold' for ATS, ICF International, Joby Aviation, and CNH Industrial. Plug Power has been rated 'Sell'. Hint of bullishness in the industrial sector.

Strong performance follows market sentiment, suggesting good growth trajectory for Sterling Infrastructure. Investors are advised to check the company's financials and insiders' share trades before investing.