Pluristem Therapeutics Inc (PSTI)

[zzaatt]

most of my stocks go up after I sell and go down after I buy.

That's the perfect argument for buying a company you believe in, and then relax, check the pps every few days, and wait for good clinical data. I've been buying PSTI for years (never sold any), some over current price, some under. My current average puts me in a very reasonable place with a very substantial holding. They say timing the market usually doesn't work out.