A further thought or two,
FWIW, you're right to think there's no great harm in looking at current prices.
Provided, provided, provided.
By all means enjoy that nice warm glow you get when you see those prices going up, but don't kid yourself - as so many people seem to do - you're really any richer,
You're not until you've actually sold and got the money in the bank.
Anyway, as a self-confessed dividend reinvestor you should be hoping for the markret to go down