Based on history the advance will continue and there's a 50% chance the stock could double several more times before a major decline. During this recent near 100% gain the Golden Cross (50 DMA crosses over the 200 DMA) buy signal was triggered. There have been 4 other times this has occured. In 2002, after which the advance continued from $5 to $40. Likewise in 2005, from $18 to $33. In 2008, from $34 to $41 and in 2009 from $36 to $305.
Your logic brings to mind a Mark Twain story. As a river pilot, he was explaining how floods had rectified and shortened the length of the Mississippi River. Statistically extrapolating backward led to an undeniable fact: at some point the Mississippi River must have been so long it could circle the planet.
Right now all analysts are trying to pump out the good news and push up the stock price. When they are done selling at high price, they will push out bad news again. As I know the subscription count is not increasing much at US and over operation is not making much money (actually most area are still losing money) !! Do you own research and don't listen to these analysts who only wants to get your money.