Australia's S&P/ASX 200 is expected to ease from its early rally this week, as investors are wary of China's economic performance. Analysts said though there will be a positive push from the turn of events in the US with the Federal Reserve's decision to temper its fiscal policy, this will not easily avert the dampened mood that may set in today.

Australia's mining companies are in but perception maybe influenced by the drop in copper prices in London, Shanghai and New York because the world's biggest user-China may experience some credit tightening.

The stocks to watch out for and are actively traded are as follows:

Mining shares: BHP Billiton Ltd. (BHP AU), t Rio Tinto Group (RIO AU), PanAust Ltd. (PNA AU).

Oil producers: In spite the colder season, there has not been much take up as crude oil dropped for a second day after the dollar rallied. Crude for November delivery today fell slid as much as 0.8 percent to $81.55 a barrel on the New York Mercantile Exchange.

Woodside Petroleum Ltd. (WPL AU). Santos Ltd. (STO AU) New Zealand Oil & Gas Ltd. (NZO NZ).

Fortescue Metals Group Ltd. (FMG AU) slumped 4 percent to A$6 after being downgraded to "sell" from "hold" at Deutsche Bank AG.

OM Holdings Ltd. (OMH AU). The Australian supplier of manganese to China had its stock rating cut to "sell" from "hold" by analysts led by Todd Scott at Royal Bank of Scotland Group Plc.

WorleyParsons Ltd. (WOR AU) The Australian engineering group, which gets about 75 percent of its revenue from overseas, had had its stock rating cut to "hold" from "buy" by analysts led by Andrew Hodge at Royal Bank of Scotland Group Plc