BALTIMORE ( Stockpickr) -- Drama in the eurozone is rearing its ugly head again this morning as Greek debt talks turn tumultuous again this week. Throughout the nearly 7% rally stocks have enjoyed so far in 2012, the eurozone has been the black cloud lingering overhead. Now it's starting to drizzle.At this point, sentiment remains strong at home (thanks in large part to strong earnings and positive economic numbers) -- so it would take a more serious slip-up across the pond to change the upward trajectory for stocks this year. Even so, it wouldn't be the first time Europe's debt problems have derailed stocks here at home. While Greek debt dealings are only providing a hiccup for U.S. equity markets this morning, investors should still be well aware of developments going on in the EU. >>5 Stocks Under $10 Poised for Big Upside Meanwhile, we're coming off the heels of a particularly strong week for stocks. All told, the S&P 500 Index rallied 2.17% last week, buoyed by excitement over the lowest unemployment numbers in two full years. As good as Mr. Market's performance was, we fared a bit better with out weekly list of Rocket Stock names, outperforming the market by 61 basis points for the week. This week, we'll try to do it again. For the uninitiated, "Rocket Stocks" are our list of companies with short-term gain catalysts and longer-term growth potential. To find them, I run a weekly quantitative screen that seeks out stocks with a combination of analyst upgrades and positive earnings surprises to identify rising analyst expectations, a bullish signal for stocks in any market. After all, where analysts' expectations are increasing, institutional cash often follows. In the last 138 weeks, our weekly list of five plays has outperformed the S&P 500 by 83.61%. With that, here's a look at this week's Rocket Stocks.