Would You Pass on That Opportunity?

If you already had twenty per cent of your portfolio within one stock, would you pass up an opportunity to purchase more at a lower price? I'm not a huge fan of specific balancing in portfolios or certain levels of diversification. Yes, i'd be sweating bullets if i had all my money sunk into one stock. And i know i would have a limit for how big a position could be. Buti mean, the overarching principle of philosophy is, if the deal is better, and it's it was a really good deal when you originally bought ah, now if it's gone down another thirty per cent, it must be a really, really good deal,. which i'm sure he wouldn...