After yet another tumultuous week - beginning on Monday with the worst sell off in more than a year - investors are likely to shift their gaze from Europe's debt crisis to the health of US companies as US earnings season gets underway. Last week the Dow gained 1.74% and the S&P 500 rose by 2.12%. After plunging on Monday and falling further Tuesday, the ASX200 ended up 3.85% for the week.

Investors are keen to know if the bad news has been factored in, or whether further dramas are in store. Europe is taking steps to contain the eurozone sovereign debt crisis as Greece teeters on default. On Thursday, the European Central Bank announced measures to shore up banks in the 17-nation eurozone that have been weakened by sovereign debt problems.

Amidst the chaos, the game for Australia hasn't changed considerably. Sure, there is noise from China that growth is slowing marginally, however there are no signs of a substantial pullback that would have a material affect on the Australian mining sector. And while the outlook for US growth is weak, there are few signs that a Great Depression is on the cards.

Bearing this in mind, the broker buys for the week feature a long list of sold-off and upgraded stocks. Notable upgrades in target prices include this week's Bull of the Week Gindalbie Metals, Iluka Resources and Stockland. Other stocks upgraded to Buys include Coffey International, Bathurst Resources, CSL, Charter Hall Office REIT, BHP, Billabong and Mirvac.

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