Here are this week’s stock briefings for Alcoa Inc. (NYSE:AA). Alcoa Inc. (NYSE:AA) company shares ended the week at 10.88 (as of 9/3/2010).

Weekly News Roundup: Alcoa Inc. (NYSE:AA)

Tuesday 31 August

Alcoa Inc. (NYSE:AA) used its new Reynobond aluminium to build the new air traffic control tower for LaGuardia Airport.

Adding a new kind of visibility to steel giant Alcoa Inc. (NYSE:AA) – the new 233-foot tall air traffic control tower at New York’s LaGuardia Airport.

Alcoa (NYSE:AA) announced yesterday that the tower sports a coat of many panels made of Alcoa’s ultralight Reynobond® aluminium composite material.

LaGuardia airport is one of the busiest in the world.

Wednesday 1 September

Saudi state-run mining firm Maaden and its U.S. partner Alcoa Inc. (NYSE:AA) awarded 1.03 billion riyals ($274.7 million) worth of contracts to build a mega aluminium complex in Saudi Arabia for the Maaden-Alcoa joint venture.

The contracts were awarded to various companies: German firms SMS Siemag and BWG Bergwerk, Austrian firm Ebner and U.S. Wagstaff, Maaden said in a statement on the Saudi bourse website.

The finished product of these contracts will be a full-spectrum industrial complex complete with a bauxite mine, alumina refinery, aluminium smelter and a rolling mill.

We will continue checking the Alcoa Inc. (NYSE:AA) stock price for developments over the next couple of weeks.

Several breaking news stories will affect stock prices as trading continues today.

The following companies should see some movement: JP Morgan Chase & Co. (NYSE:JPM), BP plc (NYSE:BP), Aloca Inc. (NYSE:AA).

Here is a more detailed look at the news that will affect each company when trading continues.

JP Morgan Chase & Co. (NYSE:JPM)

JPMorgan Chase & Co. (NYSE:JPM) is closing down its proprietary trading operations this month, and has notified its 20 or so proprietary-commodities traders that their positions will be eliminated, according to a person familiar with the matter.

Proprietary trading is simply when the company’s own traders actively trade securities with the company’s own money, as opposed to clients’.

BP plc (NYSE:BP)

More than $10m has been paid out in emergency payments by BP Plc (NYSE:BP) in the wake of the oil spill in the Gulf of Mexico.

Most of the claims were for loss of income due to the spill. Kenneth Feinberg, who took over the claims process for BP last week, manages the $20 billion fund BP (NYSE:BP) set aside for accident, said he will try to make payments more timely and transparent.

Aloca Inc. (NYSE:AA)

Saudi state-run mining firm Maaden and its U.S. partner Alcoa Inc. (NYSE:AA) awarded 1.03 billion riyals ($274.7 million) worth of contracts to build a mega aluminium complex in Saudi Arabia for the Maaden-Alcoa joint venture.

The contracts were awarded to various companies: German firms SMS Siemag and BWG Bergwerk, Austrian firm Ebner and U.S. Wagstaff, Maaden said in a statement on the Saudi bourse website.

The finished product of these contracts will be a full-spectrum industrial complex complete with a bauxite mine, alumina refinery, aluminium smelter and a rolling mill.

We could see more movement when trading continues for JP Morgan Chase & Co. (NYSE:JPM), BP plc (NYSE:BP) and Aloca Inc. (NYSE:AA).