Price manipulation? Get used to it.
Every coin in the market can be manipulated if those big players wanted to make such act. Its not new to see these scenarios on most coins when it can potentially head up 500-1000x in an instant or on
a short period of time and this is why most people do make money for those who do set in early. Regarding on project development its one of the factors or any fundamentals but for AXP i havent check out yet.