China's e-commerce giant just can't shake off the pessimistic rhetoric. But nothing lasts forever.It's been a tough past few years for Alibaba Group Holding (BABA 2.73%), and, by extension, for shareholders. The stock's down 76% from its late 2020 peak, unable to hold into the gains driven during and because of the COVID-19 pandemic. It's still dwindling, too, now back within sight of the multi-year low made in late 2022. Investors just see too many lingering red flags.As veteran investors know, though, you ...