A reverse stock split didn't help Virgin Galactic this week.Shares of Virgin Galactic (SPCE 7.45%) fell as much as 37.6% this week after the company completed a 1-for-20 reverse stock split this past weekend. But that didn't help the stock gain its footing and shares ended the week down 30.4%, according to data provided by S&P Global Market Intelligence.A reverse stock split can't save Virgin GalacticThe reverse stock split kept Virgin Galactic in compliance with the $1 minimum share price for the New York ...