BALTIMORE ( Stockpickr) -- Stocks are bouncing hard this morning, an important leg higher after a pretty brutal week to finish off August. The S&P 500 sold off 1.84% last week, capping off a month-long correction for the month. >>5 Sin Stocks Ready for Dividend Boosts Since the start of August, the big index has shed 3.13%. That's not just the worst month so far in 2012 -- it's the worst one-month run for stocks since May 2012. But the first trading session of September is kicking off this week, and with the new month, investors can expect a new market. That's why we're turning to a new set of Rocket Stocks for this week. 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 212 weeks, our weekly list of five plays has outperformed the S&P 500 by 87%. >>5 Big Trades for a Market Top Without further ado, here's a look at this week's Rocket Stocks.