Despite the commercial air travel statistic riding high in recent times, share price performance has not been decent for The Boeing Company (BA) , of late. Notably, shares of America’s largest passenger aircraft maker lost 29.5% year to date, underperforming the Zacks aerospace-defense industry, the broader Zacks Aerospace sector, as well as the S&P 500. The company also lagged the year-to-date return of two key commercial jet makers Embraer (ERJ) and Textron (TXT) , whose shares surged 55.9% and 13.5%, res ...