They are talking out of their ass. "Value" comes from the balance sheet and income statement--what do they own, what do they owe, are they generating more cash than they are paying out?
Broadly speaking, a beta of 1.3 means the individual stock would move 1.3 times as much as the general market. It will take bigger swings up and down.
If I could afford to buy all of them, I would not need to buy any of them and I sure wouldn't be spending time on the message boards!